National Environmental Nonprofits

Osa Conservation

Washington, DC

We're a conservation nonprofit protecting terrestrial and marine biodiversity of Costa Rica's Osa Peninsula from climate change with local community partners.

OpenStreetMap United States Inc.

Washington, DC

OSM US is advancing geospatial data democracy by catalyzing collaborative action between individuals, government agencies, nonprofits, corporations & academia.

One Common Unity

Washington, DC

One Common Unity (OCU) breaks cycles of violence and builds compassionate, healthy communities through the transformative power of music, arts and peace education.

OpenAQ

Washington, DC

By providing universal access to air quality data, OpenAQ empowers a global community of changemakers to solve air inequality.

Nuru

Washington, DC

Nuru has equipped over 456k people with resources to overcome extreme poverty and unlock their prosperity.

Oceana

Washington, DC

Oceana is the largest international advocacy organization dedicated solely to ocean conservation. Oceana is rebuilding abundant and biodiverse oceans by winning science-based policies in…

Ocean Conservancy

Washington, DC

Ocean Conservancy is working to protect the ocean from today’s greatest global challenges. Together with our partners, we create evidence-based solutions for a healthy…

Oceanites, Inc.

Washington, DC

Our scientific data forces Antarctic penguin conservation and and spreads climate change awareness worldwide.

National Fish and Wildlife Foundation

Washington, DC

To sustain, restore, and enhance the nation's Fish, Wildlife, plants, and habitats.

National Fish Habitat Partnership

Washington, DC

Since 2006, the National Fish Habitat Partnership has supported over 1,500 on-the-ground conservation projects benefiting fish habitat in all 50 states.