Powering global climate action through the collective strength of cities.
A large share of C40 Cities Climate Leadership Group Inc’s recent grantmaking is built around city-led climate work rather than direct service delivery. The biggest grant in the recent list went to World Resources Institute for support and collaboration with SCALE partners, and another major award supported Rocky Mountain Institute’s work to identify and shortlist two key routes for electrification of zero-emission freight vehicles. Those grants point to a funder that backs technical partners, research, and city implementation rather than one-off local projects. The foundation also appears to use grants to strengthen intermediary networks and local-government influence. It funded Urban Sustainability Directors Network for greater influence and outcomes for local governments, while a separate grant to the University of Maryland College Park supported collaboration with SCALE partners. Across these awards, the pattern is consistent: C40 backs organizations that can help cities plan, coordinate, and deliver climate actions at scale. Its active programs reinforce that approach, with work in climate action planning, climate finance, clean transport, waste systems, and air quality. The result is a grantmaker focused on practical urban climate systems, especially where technical assistance, partnerships, and planning can move cities toward implementation.
C40 Cities Climate Leadership Group Inc funds a mix of planning, finance, transport, and waste initiatives tied to city climate implementation. In freight decarbonization, it gave $175,000 to Rocky Mountain Institute to identify and shortlist two key routes for electrification of zero-emission freight vehicles. In local-government capacity building, it awarded $118,027 to Urban Sustainability Directors Network to achieve greater influence and outcomes for local governments. The foundation also supports knowledge and coordination work. It gave $400,000 to World Resources Institute for support and collaborating with SCALE partners, and $120,000 to University of Maryland College Park for the same purpose. Its active programs show the same breadth: climate action planning in Latin America, climate finance through the C40 Cities Finance Facility and the Gap Fund, clean air through Breathe Cities, and waste management projects in Nairobi and Ahmedabad.
$518K
$43.9M
$73.6M
$69.6M
Most grants fall between $148K and $197K, with a median of $175K.
25th Percentile
$148K
Median
$175K
75th Percentile
$197K
About 0% of grants go to recipients in DC.
MARK WATTS
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Typical grants cluster in a fairly narrow band: p25 is $147,500, median is $175,000, and p75 is $196,610. The recent list shows repeat support to World Resources Institute across 2024 and 2025, which suggests some recipients receive multi-year backing rather than a single one-time award. C40 Cities Climate Leadership Group Inc is classified as a regular funder, not a DAF or program-related investor, and it does not fund individuals. The grant record on file shows US recipients only, with giving concentrated outside the foundation’s New York headquarters state.
Recent grants in the file all went to US recipients, and none went to organizations in New York. Washington, DC appears twice, through World Resources Institute, making it the most frequent recipient city in the recent list. Other recipient locations include Boulder, Colorado; College Park, Maryland; and Port Washington, Wisconsin. The broader grant geography is regional, but the documented awards here are all domestic and centered on organizations that work across cities and local-government networks.
The foundation funds city climate work across planning, finance, clean transport, air quality, waste systems, and partnerships. Active programs include the City Climate Finance Gap Fund, climate action planning in Latin America, C40 Cities Finance Facility, Breathe Cities, and waste-management technical assistance in Nairobi and Ahmedabad.
Typical awards in the recent data are tightly grouped: the 25th percentile is $147,500, the median is $175,000, and the 75th percentile is $196,610. That suggests C40 usually gives mid-sized grants rather than very small or very large ones.
Yes. World Resources Institute appears in both 2024 and 2025 recent grants, with awards of $218,219 and $400,000. That pattern indicates some recipients receive support over multiple years.
The recent grant list shows US recipients only, and Washington, DC appears more than once. No grants in the file went to organizations in New York, even though the foundation’s headquarters are in New York, NY.
Some active programs do and some do not. The City Climate Finance Gap Fund and Breathe Cities are marked as accepting unsolicited applications, while the climate action planning and waste-management program entries shown here are not.
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| World Resources Institute | Washington, DC | $400,000 | 2025 | Support and Collaborating with SCALE partners |
| Urban Sustainability Directors Network | Port Washington, WI | $118,027 | 2025 | to achieve greater influence and outcomes for local governments |
| WORLD RESOURCES INSTITUTE | WASHINGTON, DC | $218,219 | 2024 | SUPPORT AND COLLABORATING WITH SCALE PARTNERS |
| ROCKY MOUNTAIN INSTITUTE | BOULDER, CO | $175,000 | 2024 | TO IDENTIFY AND SHORTLIST TWO KEY ROUTES FOR ELECTRIFICATION OF ZERO EMISSION FREIGHT VEHICLES (ZEFVS) |
| UNIVERSITY OF MARYLAND COLLEGE PARK | COLLEGE PARK, MD | $120,000 | 2024 | SUPPORT AND COLLABORATING WITH SCALE PARTNERS |
| CDP NORTH AMERICA INC | NEW YORK, NY | $356,572 | 2023 | FUNDING IN SUPPORT OF THE STRENGTHENING CITYPROJECT PIPELINE AND TCFD ALIGNMENT TO ADDRESS THE PRIMARY GAP IN THE MAJOR PIVOT TOWARDS IMPLEMENTING CLIMATE INFRASTRUCTURE IS CITY FINANCE. |
| URBAN SUSTAINABILITY DIRECTORS NETWORK | WASHINGTON, DC | $50,000 | 2023 | FUNDING IN SUPPORT OF THE USDN CLIMATE ACTION PROJECT |
to achieve greater influence and outcomes for local governments
TO IDENTIFY AND SHORTLIST TWO KEY ROUTES FOR ELECTRIFICATION OF ZERO EMISSION FREIGHT VEHICLES (ZEFVS)
UNIVERSITY OF MARYLAND COLLEGE PARK
$120,000SUPPORT AND COLLABORATING WITH SCALE PARTNERS
FUNDING IN SUPPORT OF THE STRENGTHENING CITYPROJECT PIPELINE AND TCFD ALIGNMENT TO ADDRESS THE PRIMARY GAP IN THE MAJOR PIVOT TOWARDS IMPLEMENTING CLIMATE INFRASTRUCTURE IS CITY FINANCE.
FUNDING IN SUPPORT OF THE USDN CLIMATE ACTION PROJECT