Company lists · Data refreshed September 2026
Top 25 Climate change organizations based in Washington, United States
RevenueBase identified 122 company matches for climate change organizations associated with Washington, United States as of September 2026 and tracks 4,564 professional contacts across them, including 861 with verified work emails. Across the United States, Washington is the largest hub for this category.
This list covers company matches for climate change organizations associated with Washington, United States, 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 September 19, 2026.
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 change organizations based in Washington, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,359 contacts → | ||||
Exact match “WRI works to improve people’s lives, protect and restore nature and stabilize the climate.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 222 contacts → | ||||
Exact match “Sunrise is a movement of young people uniting to stop the climate crisis.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 221 contacts → | ||||
Exact match “Founded in 2007, Verra is a global mission-driven nonprofit organization that develops and manages the leading standards for climate and sustainable development.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 144 contacts → | ||||
Exact match “EARTHDAY.ORG’s mission is to diversify, educate and activate the environmental movement worldwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 124 contacts → | ||||
Exact match “The NDC Partnership brings together 270 members, including more than 140 countries, developed and developing, and more than 110 institutions to create and deliver on ambitious…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 97 contacts → | ||||
Exact match “Founded in 1971, Greenpeace began when a small group of activists sailed from Vancouver to protest nuclear testing at Amchitka, Alaska.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 91 contacts → | ||||
Exact match “The American Council for an Energy-Efficient Economy a nonprofit research organization, develops policies to reduce energy waste and combat climate change.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 67 contacts → | ||||
Exact match “The Center for Climate and Energy Solutions (C2ES) is an independent, nonpartisan, nonprofit organization working to forge practical solutions to climate change.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 53 contacts → | ||||
Exact match “ecoAmerica grows the base of popular support for climate solutions in America with research-driven marketing, partnerships, and national programs that connect with Americans' core…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 47 contacts → | ||||
Exact match “Oil Change International is a research, communication, and advocacy organization focused on exposing the true costs of fossil fuels and facilitating the coming transition towards…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 47 contacts → | ||||
Exact match “IGSD’s mission is to build resilience by accelerating fast climate mitigation actions to slow near-term warming and self-reinforcing climate feedbacks, avoid catastrophic climate…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 44 contacts → | ||||
Exact match “Mighty Earth is a global environmental organization that works to make a lasting difference for the planet and its people with a focus on forests, sustainable agriculture, and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 42 contacts → | ||||
Exact match “Climate Interactive creates and shares cutting-edge tools that drive effective and equitable climate action.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 37 contacts → | ||||
Exact match “The Center for Climate and Security explores the national security risks of climate change.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 36 contacts → | ||||
Exact match “The Environmental and Energy Study Institute (EESI) is a nonprofit organization established in 1984 by a bipartisan Congressional caucus to provide timely, credible information…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 35 contacts → | ||||
Exact match “The Center for Clean Air Policy (CCAP) supports every step of climate action, from ambition to implementation.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 34 contacts → | ||||
Exact match “A new breed of climate NGO on a mission to reverse two centuries of carbon emissions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 33 contacts → | ||||
Exact match “We're advancing an all-out national mobilization to defeat the climate crisis and create millions of jobs in a just, thriving, and inclusive clean energy economy.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 32 contacts → | ||||
Exact match “SilverLining is a non-profit organization dedicated to ensuring that society has sufficient options to address near-term climate risk.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 28 contacts → | ||||
Exact match “The Center for Climate Integrity (CCI) empowers communities and elected officials with the knowledge and tools they need to hold oil and gas corporations accountable for decades…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 24 contacts → | ||||
Exact match “The U.S.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 23 contacts → | ||||
Exact match “The Climate Leadership Council (the Council) is a nonprofit think tank dedicated to championing the most effective, fair, and lasting climate solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 22 contacts → | ||||
Exact match “Climate change is the greatest public health crisis of the 21st century.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 20 contacts → | ||||
Exact match “The support and space you need to face a changing world.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 20 contacts → | ||||
Exact match “Ocean Visions was created to develop and advance solutions to protect and restore the ocean.” Recorded in the RevenueBase company graph · Sep 19, 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 change organizations”. 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 122 climate change organizations based in Washington, United States
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Climate change organizations based in Washington, United States at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 122 companies.
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.
- What qualifies
- Company records associated with Washington, United States whose business descriptions match “climate change organizations” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 861 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 September 19, 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 change organizations by metro in the United States
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 change organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many climate change organizations are there based in Washington, United States?
RevenueBase identified 122 company matches for climate change organizations associated with Washington, United States as of September 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?
World Resources Institute tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most climate change organizations?
Washington leads the United States with 122 company records, followed by New York (120) and San Francisco (76).
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 861 professional contacts with verified work emails tracked across these 122 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 September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 122 climate change organizations based in Washington, United States. Start with a free account, no credit card.
Download this list →Related lists
Climate change organizations by geography
- Climate change organizations based in Toronto, Canada
- Climate change organizations based in Vancouver, Canada
- Climate change organizations based in Boston, United States
- Climate change organizations based in Los Angeles, United States
- Climate change organizations based in New York, United States
- Climate change organizations based in San Francisco, United States
- Climate change organizations based in Seattle, United States
- Climate change organizations based in Argentina
- Climate change organizations based in Australia
- Climate change organizations based in Austria
- Climate change organizations based in Belgium
- Climate change organizations based in Brazil
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Climate change organizations based in Toronto, Canada
- Climate change organizations based in Vancouver, Canada
- Climate change organizations based in Boston, United States
- Climate change organizations based in Los Angeles, United States
- Climate change organizations based in New York, United States
- Climate change organizations based in San Francisco, United States
Company intelligence · public preview
Top 25 climate change organizations based in Washington, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 122 matching company records for climate change organizations based in Washington, United States, with 4,564 tracked contacts and 861 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: September 19, 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 change organizations based in Washington, United States
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 | World Resources Institutewri.org HQ: Washington, DC, United StatesReported employees: 1,001-5,000 | Washington, DC, United States | 1,001-5,000 | Exact match | 1,359 contacts → |
“WRI works to improve people’s lives, protect and restore nature and stabilize the climate.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sunrise Movementsunrisemovement.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 222 contacts → |
“Sunrise is a movement of young people uniting to stop the climate crisis.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | VERRAverra.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 221 contacts → |
“Founded in 2007, Verra is a global mission-driven nonprofit organization that develops and manages the leading standards for climate and sustainable development.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | earthday.orgearthday.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 144 contacts → |
“EARTHDAY.ORG’s mission is to diversify, educate and activate the environmental movement worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | NDC Partnershipndcpartnership.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 124 contacts → |
“The NDC Partnership brings together 270 members, including more than 140 countries, developed and developing, and more than 110 institutions to create and deliver on ambitious…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Greenpeace USAgreenpeace.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 97 contacts → |
“Founded in 1971, Greenpeace began when a small group of activists sailed from Vancouver to protest nuclear testing at Amchitka, Alaska.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 91 contacts → |
“The American Council for an Energy-Efficient Economy a nonprofit research organization, develops policies to reduce energy waste and combat climate change.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 67 contacts → |
“The Center for Climate and Energy Solutions (C2ES) is an independent, nonpartisan, nonprofit organization working to forge practical solutions to climate change.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ecoamericaecoamerica.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 53 contacts → |
“ecoAmerica grows the base of popular support for climate solutions in America with research-driven marketing, partnerships, and national programs that connect with Americans' core…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | OIL Change Internationaloilchange.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 47 contacts → |
“Oil Change International is a research, communication, and advocacy organization focused on exposing the true costs of fossil fuels and facilitating the coming transition towards…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 47 contacts → |
“IGSD’s mission is to build resilience by accelerating fast climate mitigation actions to slow near-term warming and self-reinforcing climate feedbacks, avoid catastrophic climate…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mighty Earthmightyearth.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 44 contacts → |
“Mighty Earth is a global environmental organization that works to make a lasting difference for the planet and its people with a focus on forests, sustainable agriculture, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Climate Interactiveclimateinteractive.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 42 contacts → |
“Climate Interactive creates and shares cutting-edge tools that drive effective and equitable climate action.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | The Center For Climate And Securityclimateandsecurity.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 37 contacts → |
“The Center for Climate and Security explores the national security risks of climate change.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 36 contacts → |
“The Environmental and Energy Study Institute (EESI) is a nonprofit organization established in 1984 by a bipartisan Congressional caucus to provide timely, credible information…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  CCAPccap.orgHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 35 contacts → |
“The Center for Clean Air Policy (CCAP) supports every step of climate action, from ambition to implementation.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Carbon180carbon180.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 34 contacts → |
“A new breed of climate NGO on a mission to reverse two centuries of carbon emissions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Evergreen Actionevergreenaction.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 33 contacts → |
“We're advancing an all-out national mobilization to defeat the climate crisis and create millions of jobs in a just, thriving, and inclusive clean energy economy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Silverliningsilverlining.ngo HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 32 contacts → |
“SilverLining is a non-profit organization dedicated to ensuring that society has sufficient options to address near-term climate risk.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | The Center For Climate Integrityclimateintegrity.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 28 contacts → |
“The Center for Climate Integrity (CCI) empowers communities and elected officials with the knowledge and tools they need to hold oil and gas corporations accountable for decades…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | U.S. Climate Allianceusclimatealliance.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 24 contacts → |
“The U.S.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Climate Leadership Councilclcouncil.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 23 contacts → |
“The Climate Leadership Council (the Council) is a nonprofit think tank dedicated to championing the most effective, fair, and lasting climate solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Medical Society Consortium On Climate And Healthmedsocietiesforclimatehealth.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 22 contacts → |
“Climate change is the greatest public health crisis of the 21st century.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | KONUkonu.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 20 contacts → |
“The support and space you need to face a changing world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ocean Visionsoceanvisions.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 20 contacts → |
“Ocean Visions was created to develop and advance solutions to protect and restore the ocean.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 122 company matches
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Climate change organizations: dataset insights
September 19, 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
122 records in the displayed employee bands.
0 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 United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 122 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: September 19, 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 change organizations by metro in the United States
Questions about this company list
What does Exact match mean for climate change organizations?
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 change organizations did RevenueBase find based in Washington, United States?
The saved snapshot records 122 matching company records, 4,564 tracked contacts and 861 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: September 19, 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
Climate change organizations by geography
- Climate change organizations based in Toronto, Canada
- Climate change organizations based in Vancouver, Canada
- Climate change organizations based in Boston, United States
- Climate change organizations based in Los Angeles, United States
- Climate change organizations based in New York, United States
- Climate change organizations based in San Francisco, United States
- Climate change organizations based in Seattle, United States
- Climate change organizations based in Argentina
- Climate change organizations based in Australia
- Climate change organizations based in Austria
- Climate change organizations based in Belgium
- Climate change organizations based in Brazil
Cite this list
RevenueBase Data Team. Top 25 climate change organizations based in Washington, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/climate-change-organizations/united-states/washington.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Climate change organizations based in Toronto, Canada
- Climate change organizations based in Vancouver, Canada
- Climate change organizations based in Boston, United States
- Climate change organizations based in Los Angeles, United States
- Climate change organizations based in New York, United States
- Climate change organizations based in San Francisco, United States
Company intelligence · public preview
Top 25 climate change organizations based in Washington, United States
RevenueBase records 122 matching company records for climate change organizations based in Washington, United States, with 4,564 tracked contacts and 861 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: September 19, 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 change organizations based in Washington, United States
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 | World Resources Institutewri.org HQ: Washington, DC, United StatesReported employees: 1,001-5,000 | Washington, DC, United States | 1,001-5,000 | Exact match | 1,359 contacts → |
“WRI works to improve people’s lives, protect and restore nature and stabilize the climate.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sunrise Movementsunrisemovement.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 222 contacts → |
“Sunrise is a movement of young people uniting to stop the climate crisis.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | VERRAverra.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 221 contacts → |
“Founded in 2007, Verra is a global mission-driven nonprofit organization that develops and manages the leading standards for climate and sustainable development.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | earthday.orgearthday.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 144 contacts → |
“EARTHDAY.ORG’s mission is to diversify, educate and activate the environmental movement worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | NDC Partnershipndcpartnership.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 124 contacts → |
“The NDC Partnership brings together 270 members, including more than 140 countries, developed and developing, and more than 110 institutions to create and deliver on ambitious…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Greenpeace USAgreenpeace.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 97 contacts → |
“Founded in 1971, Greenpeace began when a small group of activists sailed from Vancouver to protest nuclear testing at Amchitka, Alaska.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 91 contacts → |
“The American Council for an Energy-Efficient Economy a nonprofit research organization, develops policies to reduce energy waste and combat climate change.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 67 contacts → |
“The Center for Climate and Energy Solutions (C2ES) is an independent, nonpartisan, nonprofit organization working to forge practical solutions to climate change.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ecoamericaecoamerica.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 53 contacts → |
“ecoAmerica grows the base of popular support for climate solutions in America with research-driven marketing, partnerships, and national programs that connect with Americans' core…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | OIL Change Internationaloilchange.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 47 contacts → |
“Oil Change International is a research, communication, and advocacy organization focused on exposing the true costs of fossil fuels and facilitating the coming transition towards…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 47 contacts → |
“IGSD’s mission is to build resilience by accelerating fast climate mitigation actions to slow near-term warming and self-reinforcing climate feedbacks, avoid catastrophic climate…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mighty Earthmightyearth.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 44 contacts → |
“Mighty Earth is a global environmental organization that works to make a lasting difference for the planet and its people with a focus on forests, sustainable agriculture, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Climate Interactiveclimateinteractive.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 42 contacts → |
“Climate Interactive creates and shares cutting-edge tools that drive effective and equitable climate action.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | The Center For Climate And Securityclimateandsecurity.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 37 contacts → |
“The Center for Climate and Security explores the national security risks of climate change.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 36 contacts → |
“The Environmental and Energy Study Institute (EESI) is a nonprofit organization established in 1984 by a bipartisan Congressional caucus to provide timely, credible information…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | CCAPccap.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 35 contacts → |
“The Center for Clean Air Policy (CCAP) supports every step of climate action, from ambition to implementation.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Carbon180carbon180.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 34 contacts → |
“A new breed of climate NGO on a mission to reverse two centuries of carbon emissions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Evergreen Actionevergreenaction.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 33 contacts → |
“We're advancing an all-out national mobilization to defeat the climate crisis and create millions of jobs in a just, thriving, and inclusive clean energy economy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Silverliningsilverlining.ngo HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 32 contacts → |
“SilverLining is a non-profit organization dedicated to ensuring that society has sufficient options to address near-term climate risk.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | The Center For Climate Integrityclimateintegrity.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 28 contacts → |
“The Center for Climate Integrity (CCI) empowers communities and elected officials with the knowledge and tools they need to hold oil and gas corporations accountable for decades…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | U.S. Climate Allianceusclimatealliance.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 24 contacts → |
“The U.S.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Climate Leadership Councilclcouncil.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 23 contacts → |
“The Climate Leadership Council (the Council) is a nonprofit think tank dedicated to championing the most effective, fair, and lasting climate solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Medical Society Consortium On Climate And Healthmedsocietiesforclimatehealth.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 22 contacts → |
“Climate change is the greatest public health crisis of the 21st century.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | KONUkonu.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 20 contacts → |
“The support and space you need to face a changing world.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ocean Visionsoceanvisions.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 20 contacts → |
“Ocean Visions was created to develop and advance solutions to protect and restore the ocean.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 122 company matches
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Climate change organizations: dataset insights
September 19, 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
122 records in the displayed employee bands.
0 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 United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 122 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: September 19, 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 change organizations by metro in the United States
Questions about this company list
What does Exact match mean for climate change organizations?
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 change organizations did RevenueBase find based in Washington, United States?
The saved snapshot records 122 matching company records, 4,564 tracked contacts and 861 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: September 19, 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
Climate change organizations by geography
- Climate change organizations based in Toronto, Canada
- Climate change organizations based in Vancouver, Canada
- Climate change organizations based in Boston, United States
- Climate change organizations based in Los Angeles, United States
- Climate change organizations based in New York, United States
- Climate change organizations based in San Francisco, United States
- Climate change organizations based in Seattle, United States
- Climate change organizations based in Argentina
- Climate change organizations based in Australia
- Climate change organizations based in Austria
- Climate change organizations based in Belgium
- Climate change organizations based in Brazil
Cite this list
RevenueBase Data Team. Top 25 climate change organizations based in Washington, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/climate-change-organizations/united-states/washington.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Climate change organizations based in Toronto, Canada
- Climate change organizations based in Vancouver, Canada
- Climate change organizations based in Boston, United States
- Climate change organizations based in Los Angeles, United States
- Climate change organizations based in New York, United States
- Climate change organizations based in San Francisco, United States