C40 Cities Climate Leadership Group Inc
Funding Overview
From IRS Form 990 filings · 2019–2025
Total received
$101.9M
Foundation funders
25
Grants recorded
61
Years covered
2019–2025
Who funds C40 Cities Climate Leadership Group Inc?
C40 Cities Climate Leadership Group Inc is funded by 25 grantmakers, led by The Bloomberg Family Foundation Inc ($62.8M), Sergey Brin Family Foundation ($7.1M), Foundation to Promote Open Society ($5.6M). In total, IRS Form 990 filings record $101.9M in grants to C40 Cities Climate Leadership Group Inc between 2019–2025.
Funding over time
Grant dollars and counts received per year
From 2019 to 2025, annual grant giving ranged from $20K (2019) to $36.2M (2022). In 2025 it made 3 grants totaling $2.4M.
What grants has C40 Cities Climate Leadership Group Inc received?
Individual grants from IRS Form 990 filings, newest first
| Year | Funder | Purpose | Amount |
|---|---|---|---|
| 2025 | World Resources Institute | PROMOTE ENVIR SUSTAINABLE TRANSPORT SOLUTIONS | $1,222,385 |
| 2025 | Jewish Communal Fund | IN FURTHERANCE OF GRANTEE'S TAX-EXEMPT PURPOSE | $580,000 |
| 2025 | Jewish Communal Fund | IN FURTHERANCE OF GRANTEE'S TAX-EXEMPT PURPOSE | $580,000 |
| 2024 | The Bloomberg Family Foundation Inc | TO SUPPORT CLEAN ENERGY | $20,000,000 |
| 2024 | Sergey Brin Family Foundation | GENERAL OPERATING SUPPORT | $2,550,000 |
| 2024 | Climateworks Foundation | TO PROTECT THE CLIMATE, REDUCE POLLUTION, AND STRENGTHEN ECONOMIES ($400,000); TO SUPPORT THE GLOBAL TRANSITION TO CLEAN TRANSPORTATION ($1,350,000) | $1,750,000 |
| 2024 | World Resources Institute | PROMOTE ENVIR SUSTAINABLE TRANSPORT SOLUTIONS | $1,552,740 |
| 2024 | Jewish Communal Fund | IN FURTHERANCE OF GRANTEE'S TAX-EXEMPT PURPOSE | $1,515,000 |
| 2024 | Jewish Communal Fund | IN FURTHERANCE OF GRANTEE'S TAX-EXEMPT PURPOSE | $1,515,000 |
| 2024 | Rockefeller Philanthropy Advisors Inc | ENVIRONMENT | $714,179 |
| 2024 | The Rockefeller Foundation | ASSISTING CITY OFFICIAL RESPONSE TO EXTEME HEAT IN VULNERABLE POPULATIONS | $700,000 |
| 2024 | The William & Flora Hewlett Foundation | FOR MAYORS AT THE FOREFRONT OF GLOBAL CLIMATE ACTION IN CHINA | $580,000 |
| 2024 | Robertson Foundation | SUPPORT LOCAL GOVERNMENTS - PLANT BASED FOODS & REDUCE FOOD LOSS | $500,000 |
| 2024 | Resources Legacy Fund | LAND OR MARINE CONSERVATION, CLIMATE CHANGE, AND/OR ENVIRONMENTAL EQUITY AND JUSTICE | $463,000 |
| 2024 | The William & Flora Hewlett Foundation | FOR DRIVING THE EV TRANSITION | $379,156 |
| 2024 | The International Council on Clean Transportation Inc | TO SUPPORT THE EXEMPT FUNCTION OF THE ORGANIZATION | $244,122 |
| 2024 | The William & Flora Hewlett Foundation | FOR DRIVING THE EV TRANSITION | $163,948 |
| 2024 | International Sustainable Energy Foundation | Grants were provided and expenses were incurred for Green Governance (Policy), Public Diplomacy & Legal to support projects that focus on Governmental/Provincial Sustainability Policies and how best to implement those policies and encourage collaborative effort across various stakeholders such as government offices and affected industrial contacts in India. | $125,238 |
| 2024 | The Robert Wood Johnson Foundation | 81953 HARNESSING KNOWLEDGE AND SOLUTIONS IN U.S. AND GLOBAL CITIES TO ADVANCE WORK AT THE INTERSECTION OF HEAT AND HEALTH EQUITY AND SHARE LESSONS LEARNED | $125,008 |
| 2024 | Barbara & William Rosenthal Family Foundation | GENERAL OPERATING | $20,000 |
| 2024 | The William & Flora Hewlett Foundation | FOR CHINA PROGRAM STRATEGY WORKSHOP | $20,000 |
| 2024 | New Venture Fund | ENVIRONMENTAL PROGRAMS | $8,000 |
| 2024 | The Robert Wood Johnson Foundation | 77332 SPURRING ADAPTATION AND ADOPTION IN THE UNITED STATES OF ACTION BY CITIES GLOBALLY TO TACKLE HEALTH, EQUITY, AND CLIMATE CONCURRENTLY | $6,807 |
| 2023 | Windward Fund | ENVIRONMENTAL PROGRAMS | $4,500,000 |
| 2023 | Climateworks Foundation | PROJECT SUPPORT | $1,084,334 |
| 2023 | The Bloomberg Family Foundation Inc | ACCELERATE TRANSITION TO CLEAN ENERGY | $600,000 |
| 2023 | The William & Flora Hewlett Foundation | FOR CHINESE MAYORS AT THE FOREFRONT OF GLOBAL CLIMATE ACTION | $500,000 |
| 2023 | World Resources Institute | PROMOTE ENVIR SUSTAINABLE TRANSPORT SOLUTIONS | $381,264 |
| 2023 | Silicon Valley Community Foundation | Environment | $300,000 |
| 2023 | The William & Flora Hewlett Foundation | FOR DRIVING THE EV TRANSITION | $276,896 |
Showing 30 most recent of 61 recorded grants.
Frequently Asked Questions
Who funds C40 Cities Climate Leadership Group Inc?
C40 Cities Climate Leadership Group Inc is funded by 25 grantmakers, led by The Bloomberg Family Foundation Inc ($62.8M), Sergey Brin Family Foundation ($7.1M), Foundation to Promote Open Society ($5.6M). In total, IRS Form 990 filings record $101.9M in grants to C40 Cities Climate Leadership Group Inc between 2019–2025.
Who is C40 Cities Climate Leadership Group Inc's largest funder?
The Bloomberg Family Foundation Inc is the largest recorded funder of C40 Cities Climate Leadership Group Inc, with $62.8M across 5 grants (2020–2024).
How much grant funding has C40 Cities Climate Leadership Group Inc received?
IRS 990 filings record $101.9M in grants to C40 Cities Climate Leadership Group Inc across 61 grants from 25 funders between 2019–2025. Filings are published on a delay, so recent grants may not appear yet.
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Grant data is drawn from IRS Form 990 filings via Grantable's GrantGraph™. Filings are published on a delay; recent grants may not appear yet.
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