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View March for Science's top competitors like AAAS, American Association of University Professors, and American Chemical Society.

Environmental Defense Fund
We are Environmental Defense Fund, a leading environmental nonprofit focused on stabilizing the climate while helping build strong and healthy communities. Our game-changing solutions put people at the center of everything we do. Communities, governments, NGOs and businesses invite us to the table because our people find innovative solutions to the climate crisis. We work where we can make the biggest impact: fighting climate change, saving rainforests, supporting community-led clean air efforts and more. We bring team members together from a wide range of backgrounds. We are defined by our collective optimism, perseverance and ingenuity — and we are united in our mission. Learn more: https://www.edf.org/our-mission-and-values
New York, New York, US
Non profit
$217.2M Revenue
http://www.edf.org
1.4K Employees
National Geographic Society
The National Geographic Society is an impact-driven nonprofit. We identify and invest in an international community of changemakers — National Geographic Explorers — who use the power of science, exploration, education and storytelling to illuminate and protect the wonder of our world. Follow us and find out how to support our mission, our Explorers and what it takes to work for the Society. Official LinkedIn of the National Geographic Society. To learn about our media properties, a joint venture with The Walt Disney Company, visit NationalGeographic.com.
Washington, District of Columbia, US
Non profit
$95.2M Revenue
https://www.nationalgeographic.org/
998 Employees
American Chemical Society
ACS is a nonprofit membership organization and home to the world’s scientific community, advancing, connecting, and empowering scientists. Founded in 1876, we bring people, ideas, and resources together to fuel discovery, grow careers, and support the determination it takes to move science forward. Through world‑leading publications, conferences, community networks, and education and career resources, ACS helps science — and scientists — make a lasting impact on society.
Washington, District of Columbia, US
Non profit
$685.7M Revenue
http://www.acs.org
2.8K Employees

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