Company lists · Data refreshed November 2026

Top 25 Climate education nonprofits worldwide

RevenueBase identified 3,209 company matches for climate education nonprofits worldwide as of November 2026 and tracks 40,871 professional contacts across them, including 7,998 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for climate education 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 education 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
3,209Companies
40,871Contacts tracked
7,998Verified emails
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The 25 largest climate education nonprofits worldwide

Ranked by team size
Top 25 of 3,209 company matches for climate education nonprofits worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLyon, FranceHQ recorded Nov 6, 2026n/a11,435 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
2Exact matchNew York, United StatesHQ recorded Nov 6, 20261,001-5,0001,446 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
3Exact matchOakland, CA, United StatesHQ recorded Nov 6, 2026501-1,0001,156 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
4Exact matchMachynlleth, United KingdomHQ recorded Nov 6, 2026n/a654 contacts →

Exact match

“Mae Canolfan y Dechnoleg Amgen yn elusen addysg amgylcheddol sydd wedi bod yn rhannu atebion i faterion amgylcheddol ac ymchwilio iddyn nhw ers dros 50 mlynedd – gan weithio tuag…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchParis, FranceHQ recorded Nov 6, 2026n/a373 contacts →

Exact match

“The Climate Fresk is a serious game about climate change, based on collective intelligence and creativity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDavao, PhilippinesHQ recorded Nov 6, 2026201-500292 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMumbai, IndiaHQ recorded Nov 6, 2026n/a283 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
8Exact matchArlington, VA, United StatesHQ recorded Nov 6, 2026201-500238 contacts →

Exact match

“We are in the business of conservation, creating innovative solutions that drive nature-based action for climate protection, sustainable economies and vibrant communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGloucester, MA, United StatesHQ recorded Nov 6, 202651-200237 contacts →

Exact match

“Seaside Sustainability is a nationally recognized, award-winning 501(c)3 charitable organization dedicated to community engagement, education and environmental conservation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchOakland, CA, United StatesHQ recorded Nov 6, 2026n/a236 contacts →

Exact match

“Rising Sun Center for Opportunity's mission is building career pathways for economic equity and climate resilience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026501-1,000234 contacts →

Exact match

“Developing innovative education, supporting groundbreaking research, and fostering essential solutions for climate and sustainability.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBilbao, SpainHQ recorded Nov 6, 2026201-500229 contacts →

Exact match

“In Global Factor we started to provide professional services on the subject of climate change in the year 2004, prior to the ratification of the Kyoto Protocol or the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 202651-200192 contacts →

Exact match

“Onze missie?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Nov 6, 2026201-500174 contacts →

Exact match

“We are an international, collaborative network of communications professionals in the fields of climate, energy and nature.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchZurich, SwitzerlandHQ recorded Nov 6, 202651-200170 contacts →

Exact match

“myclimate is your partner for effective climate protection – both locally and globally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSeoul, South KoreaHQ recorded Nov 6, 202651-200160 contacts →

Exact match

“Solutions for Our Climate (SFOC) is an international climate advocacy organization founded in 2016 dedicated to accelerating effective climate action and energy transition across…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDartmouth, NS, CanadaHQ recorded Nov 6, 202651-200159 contacts →

Exact match

“Clean Foundation helps the communities in which we work make real progress toward a cleaner future by taking on climate change challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, DC, United StatesHQ recorded Nov 6, 202651-200158 contacts →

Exact match

“U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026n/a157 contacts →

Exact match

“ALL ONE SKY FOUNDATION is a not-for-profit, charitable organization established to help vulnerable populations at the crossroads of energy and climate change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSanta Cruz, CA, United StatesHQ recorded Nov 6, 202651-200152 contacts →

Exact match

“Ecology Action is an award-winning California 501(c)(3) non-profit that’s been inspiring sustainable community actions since 1970.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMadison, WI, United StatesHQ recorded Nov 6, 202651-200151 contacts →

Exact match

“We're a nonprofit headquartered in Madison, WI with an office in Chicago and remote staff across the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSan Rafael, CA, United StatesHQ recorded Nov 6, 202651-200145 contacts →

Exact match

“SEI is an environmental nonprofit that builds leaders to accelerate climate solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 202651-200133 contacts →

Exact match

“De wereld staat in brand, de zeespiegel stijgt, en biodiversiteit wordt bedreigd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBainbridge Island, WA, United StatesHQ recorded Nov 6, 202651-200127 contacts →

Exact match

“IslandWood is an environmental education nonprofit.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLong Island City, NY, United StatesHQ recorded Nov 6, 202651-200107 contacts →

Exact match

“Solar One is a non-profit, environmental education organization that fosters sustainable practices and environmental equity across New York City.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 3,209 climate education nonprofits worldwide

See the full list, filter by size, metro and specialty, and access 7,998 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Climate education nonprofits worldwide at a glance

As of Nov 6, 2026
19.6%Verified-email coverage
12.7Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,174
11-50
777
51-200
171
201-500
28
501-1,000
19
1,001-5,000
13
5,001-10,000
4
10001+
10

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 education nonprofits are linked below.
What qualifies
Company records worldwide whose business descriptions match “climate education 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 7,998 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 education nonprofits by location

15 lists · largest first

Every Climate education nonprofits list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 education nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many climate education nonprofits are there worldwide?

RevenueBase identified 3,209 company matches for climate education 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 education nonprofits?

The United States leads with 789 companies, followed by the United Kingdom (165) and India (164). Every climate education nonprofits list by country and city is linked on this page.

Which city has the most climate education nonprofits?

New York leads with 74 company records, followed by London (68) and Washington (41).

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 7,998 professional contacts with verified work emails tracked across these 3,209 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.

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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.