Grant funders / Hawaii / Environment & Conservation
Environment & Conservation Grant Funders in Hawaii
140 foundations with a documented environment & conservation focus have made grants to Hawaii nonprofits in recent years, together directing $141.9M to organizations across the state. Below are the most active — every funder links to a full giving profile, and Bespoke Grants will match all 140 against your nonprofit's specific mission, for free.
140
Environment & conservation funders
$141.9M
Given to Hawaii nonprofits
1,122
Grants on record
2025
Most recent giving
Most active environment & conservation funders in Hawaii
| # | Funder | Based in | Total Hawaii giving | Grants | Latest |
|---|---|---|---|---|---|
| 1 | Chan Zuckerberg Initiative Foundation | California | $30.6M | 3 | 2024 |
| 2 | Hau'oli Mau Loa Foundation | Hawaii | $13.1M | 49 | 2024 |
| 3 | National Fish and Wildlife Foundation | District of Columbia | $11.9M | 44 | 2024 |
| 4 | Walton Family Foundation Inc | Arkansas | $9.4M | 9 | 2024 |
| 5 | The David and Lucile Packard Foundation | California | $8.8M | 12 | 2024 |
| 6 | Hawaiian Electric Industries Charitable | Hawaii | $7.2M | 4 | 2024 |
| 7 | Hale Halawai Ohana O Hanalei | Hawaii | $4.8M | 6 | 2024 |
| 8 | The Simons Foundation Inc | New York | $4.8M | 4 | 2024 |
| 9 | American Bird Conservancy | Virginia | $4.1M | 40 | 2024 |
| 10 | The Nature Conservancy | Virginia | $2.2M | 33 | 2024 |
| 11 | United Nations Foundation Inc | District of Columbia | $2.0M | 3 | 2024 |
| 12 | The Trust for Public Land | California | $1.9M | 3 | 2022 |
| 13 | Harold Kl Castle Foundation | Hawaii | $1.9M | 36 | 2024 |
This list is ranked by size. Yours should be ranked by fit.
The funders above are the biggest environment & conservation funders in Hawaii — not necessarily the right ones for you. Bespoke Grants ranks all 140 against your nonprofit's actual mission, service area, and budget, and shows you why each one matches. Free, no credit card.
Rank these funders for my nonprofit →Environment & Conservation funders in other states
Other causes funded in Hawaii
How this list is built. Bespoke Grants indexes 13M+ grants from public IRS Form 990 filings. This page shows foundations whose giving carries a documented environment & conservation focus and that have funded Hawaii nonprofits. Giving figures reflect each funder's total recent grants to Hawaii recipients. IRS data publishes on a 1–2 year lag; figures are current through the most recent available filings.