National Environmental Nonprofits
Potomac Riverkeeper, Inc.
Our mission is to protect the public’s right to clean water in the Potomac and Shenandoah Rivers and their tributaries. We stop pollution to…
Planet Forward
Effective environmental and science communication is needed now more than ever. Planet Forward, a project of the Center for Innovative Media at the George…
Partnership for the National Trails System
Partnership for the National Trails System (PNTS) is a collective voice, resource, and hub of information for National Scenic and Historic Trails.
Park Rx America
Decrease the burden of chronic disease, increase health and happiness, and foster environmental stewardship, by prescribing Nature during the routine delivery of health care.
Organic Trade Association
OTA'S MISSION IS TO PROMOTE AND PROTECT ORGANIC WITH A UNIFYING VOICE THAT SERVES AND ENGAGES ITS DIVERSE MEMBERS FROM FARM TO MARKETPLACE. OTA'S…
Organic Voices
The mission of Organic Voices (ov) is to educate consumers about the usda Organic seal. We aim to highlight the benefits of Organic food,…
Organizing Resilience
Housed at the Amalgamated Foundation, Organizing Resilience is a new initiative coordinating national and local expertise to develop the tools, talent, and networks that…
Osa Conservation
We're a conservation nonprofit protecting terrestrial and marine biodiversity of Costa Rica's Osa Peninsula from climate change with local community partners.
Our Climate Education Fund
Our Climate empowers young people to advocate for the science-based, equitable and intersectional climate justice policies that build a thriving world. We engage and…
Outdoor Alliance
Outdoor Alliance unites the voices of outdoor enthusiasts to protect the human-powered outdoor recreation experience and conserve America's public lands.