From public IRS filings
EARTH ISLAND INSTITUTE INC
BERKELEY, CA · Environment
Mission
Earth Island Institute (the Organization) was founded in 1982 by legendary environmentalist David R. Brower (1912-2000) to confront the unprecedented threats to life on Earth. The Organization supports environmental initiatives that are urgent...
Financials (IRS Form 990)
Total revenue
$30.9M
Total expenses
$34.8M
Total assets
$39.9M
Source: IRS Form 990, tax year 2025.
Who funds EARTH ISLAND INSTITUTE INC
$37.9M in foundation grants on record from 147 funders — from IRS 990 grant line items.
| Funder | Total given | Grants |
|---|---|---|
| National Fish and Wildlife Foundation | $2.3M | 3 |
| Donor Advised Charitable Giving | $2.3M | 4 |
| Rockefeller Philanthropy Advisors | $2.1M | 3 |
| San Francisco Foundation | $1.4M | 4 |
| Vanguard Charitable Endowment Program | $1.3M | 4 |
| Silicon Valley Community Foundation | $987K | 2 |
| Marin Community Foundation | $928K | 4 |
| Tides Foundation | $862K | 3 |
| Fidelity Investments Charitable Gift Fund | $808K | 2 |
| Standearth | $750K | 1 |
Leadership
Josh Floum (Principal officer)
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