Washington, D.C. · Nonprofit
US CLIMATE ACTION NETWORK
US CLIMATE ACTION NETWORK (Washington, D.C.) receives grants from 49 organizations whose IRS filings report $17,313,015 to it, the largest being JOHN D AND CATHERINE T MACARTHUR FOUNDATION ($4,016,000). 28 of them have funded it in more than one year.
- Revenue FY2025
- $1.7M
- Funders on record
- 49
- Grants received
- $17M
- Net assets
- $4.1M
What US Climate Action Network does
Mission
To build trust & alignment among its members to fight climate change in a just & equitable way.
As stated on its FY2025 Form 990.
Programs
On its FY2024 return the organization reported starting a significant new program and a significant change in how it conducts a program.
New Programs Introduced in FY2025: 1. Mutual Aid grants: The purpose of these grants is to provide a coordinated rapid response for members facing financial hardship. 2. Advancing a Just Transition: 1) Connecting members working on solutions to the climate crisis with one another to align messaging and communicate with the broader public about ways they can too address climate change. 2) Educating members about the importance of culture and healing to prevent burnout and foster deep trust and purposeful coexistence among the nearly 200 member organizations.
Its own explanation, from Schedule O of that return (Part III, line 2).
The Arm-in-Arm Program Ended in FY2025.
Its own explanation, from Schedule O of that return (Part III, line 3).
MEMBER ENGAGEMENT & OUTREACH - This includes building relationships, trust, and alignment across the network through forums, convenings, webinars, newsletters, and orientations. The focus is on fostering collaboration and ensuring equitable power-sharing among Members.
$444,590 spentof which $79,029 as grants$135,665 earned by the program49% of program spendingMEMBER DEVELOPMENT & TRAINING - USCAN focuses on strengthening network infrastructure and processes while providing development opportunities for its members. This includes webinars, professional development training, equity training, capacity-building resources, security resource handbooks, and Mutual Aid grants to support members in crisis. These efforts aim to enhance members' skills, knowledge, and resilience to address the climate crisis effectively.
$249,929 spent27% of program spendingINTERNATIONAL - USCAN actively engages in global climate governance, ensuring U.S. civil society has a unified voice in forums like COP29 and the UNFCCC. This includes supporting frontline leaders, hosting press conferences, side events, and managing exhibit booths at international climate events.
$216,774 spent24% of program spending
The 3 programs described on its FY2024 Form 990, listed largest first by expense. Program spending in total: $911,293.
The organization over time
Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2021 to 2022, from $5.0M to $6.3M (+25%).
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
Government-grant reliance: 2017 0% · 2021 2%. Grants only. Government contracts and fees sit inside program revenue.
91% of US CLIMATE ACTION NETWORK’s revenue is contributions — more donation-reliant than the typical peer (88% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 4 of the last 9 reported years ran a deficit.
reserve
Leadership and staff
The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.
Chief executive
Dr Ife Kilimanjaro
Executive Director
Board chair
Kyle Ash
Chair
As listed on its FY2025 Form 990.
Who funds it, year by year
2017 → 2023: the base broadened from 8 funders to 15 funders, grant income rose $1.0M → $2.3M.
14 of 49 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 14% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.
From the IRS filings of US CLIMATE ACTION NETWORK’s funders (the co-funder graph). Top 30 of 49 funders by total. Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
US CLIMATE ACTION NETWORK has a broad base — no single funder exceeds 23% of grant income, and it takes 5 funders to reach half.
the vertical line marks half of all grant income — 5 funders to its left
Largest funder’s share by year: 2017 49% · 2018 41% · 2019 42% · 2020 22% · 2021 15% · 2022 15% · 2023 26% — diversifying over time.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How long its funders stay
34% of US CLIMATE ACTION NETWORK's funders are still giving 3 years after their first grant; 57% give in more than one year at all.
Share of funders still giving k years after their first recorded grant, pooled across every acquisition cohort. A funder counts as retained in a year only if it made a grant that year. Measured to FY2023, the last fiscal year that has finished arriving — a funder cannot be counted as lapsed in a year most filers have not reached.
Where its funders are
US CLIMATE ACTION NETWORK draws 95% of its grant income from funders outside Washington, D.C., across 12 states in all.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $2.5M arriving through sponsors registered in 8 states is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Against its field
US CLIMATE ACTION NETWORK holds deeper cash reserves than three-quarters of the 1,074 environment nonprofits its size.
this organization peer median middle 50% of peers· 1,074 environment nonprofits $1M–$10M, FY2025
Government funding US CLIMATE ACTION NETWORK receives
Grants and contracts to this organization from federal (USASpending) and state checkbooks, reconciled to its EIN. $2k on record.
- REFUNDS - GENERAL $2k
Federal grants vs contracts are distinguished; state line items keep their reported category. Matched by name + geography (the BMF), so coverage is partial and precision-first.
Organizations like US CLIMATE ACTION NETWORK
Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.
In Washington, D.C.
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
55% of spending goes to programs.
Governance
Public support
58%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Footprint & structure
Part of a family of 1 related entity
- US Mobilizing for Urgent and Sustainable · exempt
Screen this organization
A dated, signed PDF of the compliance screen for US CLIMATE ACTION NETWORK: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds US CLIMATE ACTION NETWORK?
- US CLIMATE ACTION NETWORK (Washington, D.C.) receives grants from 49 organizations whose IRS filings report $17,313,015 to it, the largest being JOHN D AND CATHERINE T MACARTHUR FOUNDATION ($4,016,000). 28 of them have funded it in more than one year.
- How many funders does US CLIMATE ACTION NETWORK have?
- IRS filings report 49 organizations giving $17,313,015 in grants to US CLIMATE ACTION NETWORK, 28 of which have funded it in more than one year.
- Who is the largest funder of US CLIMATE ACTION NETWORK?
- JOHN D AND CATHERINE T MACARTHUR FOUNDATION is the largest funder on record, with $4,016,000 in grants. The full list of funders is on this page.
- How can an organization like US CLIMATE ACTION NETWORK find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Washington, D.C.. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2017–2025), and the filings of 49 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing