Company lists · Data refreshed November 2026
Top 25 Climate action nonprofits worldwide
RevenueBase identified 6,980 company matches for climate action nonprofits worldwide as of November 2026 and tracks 81,369 professional contacts across them, including 19,938 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for climate action nonprofits worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for climate action nonprofits follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest climate action nonprofits worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 11,435 contacts → | ||||
Exact match “Entrepreneurship in the service of the climate emergency!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,446 contacts → | ||||
Exact match “We are Environmental Defense Fund, a leading environmental nonprofit focused on stabilizing the climate while helping build strong and healthy communities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,156 contacts → | ||||
Exact match “At the Sierra Club, we believe in the power of togetherness.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,155 contacts → | ||||
Exact match “The Powur Mission: Accelerate the adoption of clean energy worldwide We're empowering our community of homeowners and advisors to thrive in the global shift to sustainable energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 790 contacts → | ||||
Exact match “South Pole is the world's leading carbon asset developer and climate consultancy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 753 contacts → | ||||
Exact match “Wij strijden voor gelijkheid en we staan achter de mensen die opstaan voor gelijkheid.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 670 contacts → | ||||
Exact match “Climatebase is the community for climate & sustainability professionals, and the world's #1 platform for green jobs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 525 contacts → | ||||
Exact match “dena is a centre of excellence for the applied energy transition and climate protection.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 518 contacts → | ||||
Exact match “C40 is a network of nearly 100 mayors of the world’s leading cities who are working to deliver the urgent action needed right now to confront the climate crisis and create a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 472 contacts → | ||||
Exact match “Our mission: We’ve been on a mission to help identify energy waste, save costs and reduce carbon emissions for more than 40 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 470 contacts → | ||||
Exact match “2tonnes is an immersive workshop to explore the future and act together for the climate.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 396 contacts → | ||||
Exact match “Rare is a global leader in driving social change for people and nature.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 396 contacts → | ||||
Exact match “The IKEA Foundation fights global warming with and for the many people.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 391 contacts → | ||||
Exact match “Our mission is to accelerate the move to a decarbonised future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 344 contacts → | ||||
Exact match “For 40 years, VEIC has helped energy leaders nationwide meet their clean energy goals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 344 contacts → | ||||
Exact match “At Ambipar, we are all caretakers of the planet!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 325 contacts → | ||||
Exact match “The European Climate Foundation (ECF) is a leading philanthropic initiative dedicated to fostering the net-zero transition and ensuring a healthy, thriving planet for current and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 315 contacts → | ||||
Exact match “Climate KIC is Europe's foremost climate innovation agency: an international non-profit Foundation that for over 16 years has been embedded in the places where climate ambition…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 283 contacts → | ||||
Exact match “Earth5R is a UNESCO-recognized global environmental organization driving the shift towards a green economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 267 contacts → | ||||
Exact match “Climate change is one of the greatest threats to our planet.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 265 contacts → | ||||
Exact match “Since 2008, PUR has helped companies turn climate and nature commitments into measurable impact on the ground.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 256 contacts → | ||||
Exact match “Climate Group is an international nonprofit, launched in 2004, with offices in London, Amsterdam, Beijing, New Delhi, and New York.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 248 contacts → | ||||
Exact match “The Swedish Society for Nature Conservation (SSNC) is an environmental organization with power to bring about change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 245 contacts → | ||||
Exact match “We are creating a more sustainable and better earth through solar energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 241 contacts → | ||||
Exact match “Ceres is a nonprofit advocacy organization working to accelerate the transition to a cleaner, more just, and resilient world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “climate action nonprofits”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 6,980 climate action nonprofits worldwide
See the full list, filter by size, metro and specialty, and access 19,938 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Climate action nonprofits worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for climate action nonprofits are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “climate action nonprofits” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 19,938 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Climate action nonprofits by location
44 lists · largest firstEvery Climate action nonprofits list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Climate action nonprofits based in the United States1,329
- Climate action nonprofits based in the United Kingdom446
- Climate action nonprofits based in India372
- Climate action nonprofits based in France321
- Climate action nonprofits based in Germany240
- Climate action nonprofits based in Canada226
- Climate action nonprofits based in Australia167
- Climate action nonprofits based in the Netherlands132
- Climate action nonprofits based in Brazil118
- Climate action nonprofits based in Switzerland99
- Climate action nonprofits based in Spain91
- Climate action nonprofits based in Kenya84
- Climate action nonprofits based in Indonesia77
- Climate action nonprofits based in Italy76
- Climate action nonprofits based in Belgium67
- Climate action nonprofits based in Mexico64
- Climate action nonprofits based in Sweden60
- Climate action nonprofits based in Austria48
- Climate action nonprofits based in Türkiye41
- Climate action nonprofits based in the United Arab Emirates36
- Climate action nonprofits based in South Africa34
- Climate action nonprofits based in New Zealand29
- Climate action nonprofits based in Poland27
- Climate action nonprofits based in Chile25
Cities
- Climate action nonprofits based in London, United Kingdom198
- Climate action nonprofits based in Paris, France114
- Climate action nonprofits based in New York, United States112
- Climate action nonprofits based in Washington, United States102
- Climate action nonprofits based in Berlin, Germany82
- Climate action nonprofits based in Nairobi, Kenya56
- Climate action nonprofits based in San Francisco, United States56
- Climate action nonprofits based in Los Angeles, United States47
- Climate action nonprofits based in New Delhi, India44
- Climate action nonprofits based in Sydney, Australia44
- Climate action nonprofits based in Toronto, Canada41
- Climate action nonprofits based in Boston, United States38
- Climate action nonprofits based in Bangalore, India37
- Climate action nonprofits based in Sao Paulo, Brazil36
- Climate action nonprofits based in Melbourne, Australia32
- Climate action nonprofits based in Amsterdam, Netherlands31
- Climate action nonprofits based in Stockholm, Sweden30
- Climate action nonprofits based in Vancouver, Canada30
- Climate action nonprofits based in Seattle, United States29
- Climate action nonprofits based in Brussels, Belgium26
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “climate action nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many climate action nonprofits are there worldwide?
RevenueBase identified 6,980 company matches for climate action nonprofits worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Team For The Planet tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most climate action nonprofits?
The United States leads with 1,329 companies, followed by the United Kingdom (446) and India (372). Every climate action nonprofits list by country and city is linked on this page.
Which city has the most climate action nonprofits?
London leads with 202 company records, followed by Paris (114) and New York (112).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 19,938 professional contacts with verified work emails tracked across these 6,980 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 6,980 climate action nonprofits worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 climate action nonprofits worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 6,980 matching company records for climate action nonprofits worldwide, with 81,369 tracked contacts and 19,938 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 climate action nonprofits worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Lyon, FranceReported employees: Not recorded | Lyon, France | Not recorded | Exact match | 11,435 contacts → |
“Entrepreneurship in the service of the climate emergency!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: New York, United StatesReported employees: 1,001-5,000 | New York, United States | 1,001-5,000 | Exact match | 1,446 contacts → |
“We are Environmental Defense Fund, a leading environmental nonprofit focused on stabilizing the climate while helping build strong and healthy communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Oakland, CA, United StatesReported employees: 501-1,000 | Oakland, CA, United States | 501-1,000 | Exact match | 1,156 contacts → |
“At the Sierra Club, we believe in the power of togetherness.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: San Diego, United StatesReported employees: Not recorded | San Diego, United States | Not recorded | Exact match | 1,155 contacts → |
“The Powur Mission: Accelerate the adoption of clean energy worldwide We're empowering our community of homeowners and advisors to thrive in the global shift to sustainable energy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Zurich, SwitzerlandReported employees: 501-1,000 | Zurich, Switzerland | 501-1,000 | Exact match | 790 contacts → |
“South Pole is the world's leading carbon asset developer and climate consultancy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: The Hague, NetherlandsReported employees: 201-500 | The Hague, Netherlands | 201-500 | Exact match | 753 contacts → |
“Wij strijden voor gelijkheid en we staan achter de mensen die opstaan voor gelijkheid.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 670 contacts → |
“Climatebase is the community for climate & sustainability professionals, and the world's #1 platform for green jobs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Berlin, GermanyReported employees: 501-1,000 | Berlin, Germany | 501-1,000 | Exact match | 525 contacts → |
“dena is a centre of excellence for the applied energy transition and climate protection.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: London, NY, United KingdomReported employees: 201-500 | London, NY, United Kingdom | 201-500 | Exact match | 518 contacts → |
“C40 is a network of nearly 100 mayors of the world’s leading cities who are working to deliver the urgent action needed right now to confront the climate crisis and create a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Horley, United KingdomReported employees: 201-500 | Horley, United Kingdom | 201-500 | Exact match | 472 contacts → |
“Our mission: We’ve been on a mission to help identify energy waste, save costs and reduce carbon emissions for more than 40 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 2tonnes2tonnes.org HQ: Paris, FranceReported employees: Not recorded | Paris, France | Not recorded | Exact match | 470 contacts → |
“2tonnes is an immersive workshop to explore the future and act together for the climate.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 396 contacts → |
“Rare is a global leader in driving social change for people and nature.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Leiden, NetherlandsReported employees: 51-200 | Leiden, Netherlands | 51-200 | Exact match | 396 contacts → |
“The IKEA Foundation fights global warming with and for the many people.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 391 contacts → |
“Our mission is to accelerate the move to a decarbonised future.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Winooski, DC, United StatesReported employees: 201-500 | Winooski, DC, United States | 201-500 | Exact match | 344 contacts → |
“For 40 years, VEIC has helped energy leaders nationwide meet their clean energy goals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 344 contacts → |
“At Ambipar, we are all caretakers of the planet!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: The Hague, NetherlandsReported employees: 201-500 | The Hague, Netherlands | 201-500 | Exact match | 325 contacts → |
“The European Climate Foundation (ECF) is a leading philanthropic initiative dedicated to fostering the net-zero transition and ensuring a healthy, thriving planet for current and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Amsterdam, NetherlandsReported employees: 51-200 | Amsterdam, Netherlands | 51-200 | Exact match | 315 contacts → |
“Climate KIC is Europe's foremost climate innovation agency: an international non-profit Foundation that for over 16 years has been embedded in the places where climate ambition…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Mumbai, IndiaReported employees: Not recorded | Mumbai, India | Not recorded | Exact match | 283 contacts → |
“Earth5R is a UNESCO-recognized global environmental organization driving the shift towards a green economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Seville, SpainReported employees: 201-500 | Seville, Spain | 201-500 | Exact match | 267 contacts → |
“Climate change is one of the greatest threats to our planet.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Paris, ON, FranceReported employees: 201-500 | Paris, ON, France | 201-500 | Exact match | 265 contacts → |
“Since 2008, PUR has helped companies turn climate and nature commitments into measurable impact on the ground.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: London, NY, United KingdomReported employees: 51-200 | London, NY, United Kingdom | 51-200 | Exact match | 256 contacts → |
“Climate Group is an international nonprofit, launched in 2004, with offices in London, Amsterdam, Beijing, New Delhi, and New York.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Stockholm, SwedenReported employees: 51-200 | Stockholm, Sweden | 51-200 | Exact match | 248 contacts → |
“The Swedish Society for Nature Conservation (SSNC) is an environmental organization with power to bring about change.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Tampa, FL, United StatesReported employees: 201-500 | Tampa, FL, United States | 201-500 | Exact match | 245 contacts → |
“We are creating a more sustainable and better earth through solar energy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 241 contacts → |
“Ceres is a nonprofit advocacy organization working to accelerate the transition to a cleaner, more just, and resilient world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 6,980 company matches
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Climate action nonprofits: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
6,963 records in the displayed employee bands.
17 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 6,980 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Climate action nonprofits by location
44 lists · largest firstEvery Climate action nonprofits list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Climate action nonprofits based in the United States1,329
- Climate action nonprofits based in the United Kingdom446
- Climate action nonprofits based in India372
- Climate action nonprofits based in France321
- Climate action nonprofits based in Germany240
- Climate action nonprofits based in Canada226
- Climate action nonprofits based in Australia167
- Climate action nonprofits based in the Netherlands132
- Climate action nonprofits based in Brazil118
- Climate action nonprofits based in Switzerland99
- Climate action nonprofits based in Spain91
- Climate action nonprofits based in Kenya84
- Climate action nonprofits based in Indonesia77
- Climate action nonprofits based in Italy76
- Climate action nonprofits based in Belgium67
- Climate action nonprofits based in Mexico64
- Climate action nonprofits based in Sweden60
- Climate action nonprofits based in Austria48
- Climate action nonprofits based in Türkiye41
- Climate action nonprofits based in the United Arab Emirates36
- Climate action nonprofits based in South Africa34
- Climate action nonprofits based in New Zealand29
- Climate action nonprofits based in Poland27
- Climate action nonprofits based in Chile25
Cities
- Climate action nonprofits based in London, United Kingdom198
- Climate action nonprofits based in Paris, France114
- Climate action nonprofits based in New York, United States112
- Climate action nonprofits based in Washington, United States102
- Climate action nonprofits based in Berlin, Germany82
- Climate action nonprofits based in Nairobi, Kenya56
- Climate action nonprofits based in San Francisco, United States56
- Climate action nonprofits based in Los Angeles, United States47
- Climate action nonprofits based in New Delhi, India44
- Climate action nonprofits based in Sydney, Australia44
- Climate action nonprofits based in Toronto, Canada41
- Climate action nonprofits based in Boston, United States38
- Climate action nonprofits based in Bangalore, India37
- Climate action nonprofits based in Sao Paulo, Brazil36
- Climate action nonprofits based in Melbourne, Australia32
- Climate action nonprofits based in Amsterdam, Netherlands31
- Climate action nonprofits based in Stockholm, Sweden30
- Climate action nonprofits based in Vancouver, Canada30
- Climate action nonprofits based in Seattle, United States29
- Climate action nonprofits based in Brussels, Belgium26
Questions about this company list
What does Exact match mean for climate action nonprofits?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many climate action nonprofits did RevenueBase find worldwide?
The saved snapshot records 6,980 matching company records, 81,369 tracked contacts and 19,938 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 climate action nonprofits worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/climate-action-nonprofits.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 climate action nonprofits worldwide
RevenueBase records 6,980 matching company records for climate action nonprofits worldwide, with 81,369 tracked contacts and 19,938 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 climate action nonprofits worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Lyon, FranceReported employees: Not recorded | Lyon, France | Not recorded | Exact match | 11,435 contacts → |
“Entrepreneurship in the service of the climate emergency!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: New York, United StatesReported employees: 1,001-5,000 | New York, United States | 1,001-5,000 | Exact match | 1,446 contacts → |
“We are Environmental Defense Fund, a leading environmental nonprofit focused on stabilizing the climate while helping build strong and healthy communities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Oakland, CA, United StatesReported employees: 501-1,000 | Oakland, CA, United States | 501-1,000 | Exact match | 1,156 contacts → |
“At the Sierra Club, we believe in the power of togetherness.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: San Diego, United StatesReported employees: Not recorded | San Diego, United States | Not recorded | Exact match | 1,155 contacts → |
“The Powur Mission: Accelerate the adoption of clean energy worldwide We're empowering our community of homeowners and advisors to thrive in the global shift to sustainable energy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Zurich, SwitzerlandReported employees: 501-1,000 | Zurich, Switzerland | 501-1,000 | Exact match | 790 contacts → |
“South Pole is the world's leading carbon asset developer and climate consultancy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: The Hague, NetherlandsReported employees: 201-500 | The Hague, Netherlands | 201-500 | Exact match | 753 contacts → |
“Wij strijden voor gelijkheid en we staan achter de mensen die opstaan voor gelijkheid.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 670 contacts → |
“Climatebase is the community for climate & sustainability professionals, and the world's #1 platform for green jobs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Berlin, GermanyReported employees: 501-1,000 | Berlin, Germany | 501-1,000 | Exact match | 525 contacts → |
“dena is a centre of excellence for the applied energy transition and climate protection.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: London, NY, United KingdomReported employees: 201-500 | London, NY, United Kingdom | 201-500 | Exact match | 518 contacts → |
“C40 is a network of nearly 100 mayors of the world’s leading cities who are working to deliver the urgent action needed right now to confront the climate crisis and create a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Horley, United KingdomReported employees: 201-500 | Horley, United Kingdom | 201-500 | Exact match | 472 contacts → |
“Our mission: We’ve been on a mission to help identify energy waste, save costs and reduce carbon emissions for more than 40 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 2tonnes2tonnes.org HQ: Paris, FranceReported employees: Not recorded | Paris, France | Not recorded | Exact match | 470 contacts → |
“2tonnes is an immersive workshop to explore the future and act together for the climate.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 396 contacts → |
“Rare is a global leader in driving social change for people and nature.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Leiden, NetherlandsReported employees: 51-200 | Leiden, Netherlands | 51-200 | Exact match | 396 contacts → |
“The IKEA Foundation fights global warming with and for the many people.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 391 contacts → |
“Our mission is to accelerate the move to a decarbonised future.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Winooski, DC, United StatesReported employees: 201-500 | Winooski, DC, United States | 201-500 | Exact match | 344 contacts → |
“For 40 years, VEIC has helped energy leaders nationwide meet their clean energy goals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 344 contacts → |
“At Ambipar, we are all caretakers of the planet!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: The Hague, NetherlandsReported employees: 201-500 | The Hague, Netherlands | 201-500 | Exact match | 325 contacts → |
“The European Climate Foundation (ECF) is a leading philanthropic initiative dedicated to fostering the net-zero transition and ensuring a healthy, thriving planet for current and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Amsterdam, NetherlandsReported employees: 51-200 | Amsterdam, Netherlands | 51-200 | Exact match | 315 contacts → |
“Climate KIC is Europe's foremost climate innovation agency: an international non-profit Foundation that for over 16 years has been embedded in the places where climate ambition…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Mumbai, IndiaReported employees: Not recorded | Mumbai, India | Not recorded | Exact match | 283 contacts → |
“Earth5R is a UNESCO-recognized global environmental organization driving the shift towards a green economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Seville, SpainReported employees: 201-500 | Seville, Spain | 201-500 | Exact match | 267 contacts → |
“Climate change is one of the greatest threats to our planet.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Paris, ON, FranceReported employees: 201-500 | Paris, ON, France | 201-500 | Exact match | 265 contacts → |
“Since 2008, PUR has helped companies turn climate and nature commitments into measurable impact on the ground.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: London, NY, United KingdomReported employees: 51-200 | London, NY, United Kingdom | 51-200 | Exact match | 256 contacts → |
“Climate Group is an international nonprofit, launched in 2004, with offices in London, Amsterdam, Beijing, New Delhi, and New York.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Stockholm, SwedenReported employees: 51-200 | Stockholm, Sweden | 51-200 | Exact match | 248 contacts → |
“The Swedish Society for Nature Conservation (SSNC) is an environmental organization with power to bring about change.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Tampa, FL, United StatesReported employees: 201-500 | Tampa, FL, United States | 201-500 | Exact match | 245 contacts → |
“We are creating a more sustainable and better earth through solar energy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 241 contacts → |
“Ceres is a nonprofit advocacy organization working to accelerate the transition to a cleaner, more just, and resilient world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 6,980 company matches
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Climate action nonprofits: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
6,963 records in the displayed employee bands.
17 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 6,980 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Climate action nonprofits by location
44 lists · largest firstEvery Climate action nonprofits list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Climate action nonprofits based in the United States1,329
- Climate action nonprofits based in the United Kingdom446
- Climate action nonprofits based in India372
- Climate action nonprofits based in France321
- Climate action nonprofits based in Germany240
- Climate action nonprofits based in Canada226
- Climate action nonprofits based in Australia167
- Climate action nonprofits based in the Netherlands132
- Climate action nonprofits based in Brazil118
- Climate action nonprofits based in Switzerland99
- Climate action nonprofits based in Spain91
- Climate action nonprofits based in Kenya84
- Climate action nonprofits based in Indonesia77
- Climate action nonprofits based in Italy76
- Climate action nonprofits based in Belgium67
- Climate action nonprofits based in Mexico64
- Climate action nonprofits based in Sweden60
- Climate action nonprofits based in Austria48
- Climate action nonprofits based in Türkiye41
- Climate action nonprofits based in the United Arab Emirates36
- Climate action nonprofits based in South Africa34
- Climate action nonprofits based in New Zealand29
- Climate action nonprofits based in Poland27
- Climate action nonprofits based in Chile25
Cities
- Climate action nonprofits based in London, United Kingdom198
- Climate action nonprofits based in Paris, France114
- Climate action nonprofits based in New York, United States112
- Climate action nonprofits based in Washington, United States102
- Climate action nonprofits based in Berlin, Germany82
- Climate action nonprofits based in Nairobi, Kenya56
- Climate action nonprofits based in San Francisco, United States56
- Climate action nonprofits based in Los Angeles, United States47
- Climate action nonprofits based in New Delhi, India44
- Climate action nonprofits based in Sydney, Australia44
- Climate action nonprofits based in Toronto, Canada41
- Climate action nonprofits based in Boston, United States38
- Climate action nonprofits based in Bangalore, India37
- Climate action nonprofits based in Sao Paulo, Brazil36
- Climate action nonprofits based in Melbourne, Australia32
- Climate action nonprofits based in Amsterdam, Netherlands31
- Climate action nonprofits based in Stockholm, Sweden30
- Climate action nonprofits based in Vancouver, Canada30
- Climate action nonprofits based in Seattle, United States29
- Climate action nonprofits based in Brussels, Belgium26
Questions about this company list
What does Exact match mean for climate action nonprofits?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many climate action nonprofits did RevenueBase find worldwide?
The saved snapshot records 6,980 matching company records, 81,369 tracked contacts and 19,938 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 climate action nonprofits worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/climate-action-nonprofits.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗