The Blue Horizons Foundation is a Boston-based funder singularly focused on climate and environmental action, channeling almost all of its resources into organizations working on climate policy, advocacy, and scientific research. Its grantmaking favors large, unrestricted support to national-scale climate organizations that can drive systemic change, with occasional smaller gifts to climate science institutions.
Highly concentrated giving: dominated by one very large grant to a single climate advocacy foundation and a token smaller grant to a research institute; prefers few, large unrestricted grants rather than many small awards.
$5M
$239.7M
$100.8M
$6.2M
Most grants fall between $2K and $2K, with a median of $2K.
25th Percentile
$2K
Median
$2K
75th Percentile
$2K
About 0% of grants go to recipients in CA.
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Notable grantees: Climate Imperative Foundation, Aspen Global Change Institute
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| CLIMATE IMPERATIVE FOUNDATION | SAN FRANCISCO, CA | $5,000,000 | 2025 | GENERAL OPERATING |
| ENERGY INNOVATION POLICY & TECHNOLOGY | SAN FRANCISCO, CA | $545,107 | 2024 | GENERAL OPERATING |
| ASPEN GLOBAL CHANGE INSTITUTE INC | BASALT, CO | $1,500 | 2023 | GENERAL OPERATING |
ENERGY INNOVATION POLICY & TECHNOLOGY
$545,107GENERAL OPERATING