WWF
World's largest nature conservation organization, known for its panda logo.
Ranklist
Ranked by objective public data. Data snapshot 2026-09-22.
Rankings are computed from the authoritative public sources listed below, weighted into a single objective index.
World's largest nature conservation organization, known for its panda logo.
World's most action-oriented environmental NGO, pioneer of climate and anti-nuclear campaigns.
UN's leading body for environmental affairs, global environmental agenda setter.
Creator of the Red List, global authority on species conservation.
World's largest land conservation organization, protecting over 500,000 square kilometers.
Science-driven environmental organization, designer of carbon trading mechanisms.
Global resource and climate think tank, data-driven policy.
Global climate action network of nearly 100 major cities.
Global leader in biodiversity hotspot conservation.
Operator of the New York zoo system, global wildlife conservation pioneer.
America's largest grassroots environmental organization, founded in 1892.
US giant in environmental law and policy advocacy.
Direct action ocean conservation organization.
Initiator of international coastal cleanup actions.
Sustainable agriculture certification, globally recognized frog logo.
World's most authoritative sustainable forestry certification system.
Global climate movement organization, advocate of fossil fuel divestment.
Civil disobedience climate protest movement.
America's largest environmental public interest law firm.
Tree-planting movement founded by Kenya's Maathai, Nobel Peace Prize winner.
Chimpanzee conservation and youth environmental education.
Rwanda mountain gorilla conservation legend.
Global bird and habitat conservation network.
Intergovernmental treaty for the protection of internationally important wetlands.
World's largest funder of environmental projects.
Global promoter of circular economy concepts.
Energy transition think tank, advocate of renewable energy economy.
Think tank for sustainable development policy research.
Pioneer law firm using legal means to address climate crisis.
Coastal conservation organization initiated by surfers.
Global water guardians network.
Opposes fast food culture, protects traditional diet and biodiversity.
Global youth climate strike movement.
US youth climate political movement, driver of the Green New Deal.
Norwegian environmental organization, advocate of carbon capture technology.
Norwegian center for environmental data analysis and communication.
Citizen science environmental research organization.
Uses technology to help poor communities cope with climate.
China's earliest non-governmental environmental organization.
Chinese entrepreneur environmental platform, desertification prevention and control.
China Environmental Public Welfare Fund, Clear Water Blue Sky Action
Developer of China Pollution Map and Azure Map
Japan's earliest nature conservation NGO
South Korea's largest environmental organization
India's environmental research think tank
India's waste and waste picker rights organization
Protection of the Amazon rainforest and indigenous peoples' rights
Organization investigating environmental corruption and resource plunder
International organization focused on ocean policy advocacy
Marine cleanup project organization founded by young inventors
This ranking is aggregated from the following authoritative sources:
Compiled by Ranklist from the public sources listed above. Figures are a snapshot taken on 2026-09-22, not live data.
Known limits This list reflects what those sources had published at the time of collection. Where sources disagree, we follow the one named first under Ranking Criteria.
Spotted an error? Write to contact@ranklist.cc and we will check it against the sources.