Climate Analytics
A non-profit climate science and policy institute that tries to “synthesize and advance scientific knowledge in the area of climate change and link it with policy analysis.” It focuses on...
Climate Action Business Association
It helps businesses take targeted action on climate change. It merged with the nonprofit ClimateXChange in 2016 in order to “increase its capacity and enhance its organizations’ ability to influence...
Climate Access
It's focus is on transformation to low-carbon, resilient communities. It connects its members to a “diverse group of experts, cutting-edge research and proven techniques for mobilizing audiences to reduce emissions,...
ClientEarth UK
An environmental law firm that sues governments and industries to protect forests and vulnerable species. Works with people and NGOs on the legal rights to bring forward environmental battles of...
Client Earth
With a focus on environmental law, it is pressing "for strong action from governments, shifting financial flows, changing markets, trade, and business practices" to protect people and the planet. It...
Clean Shipping Coalition
It is focused on shipping issues by promoting "policies aimed at the protection and restoration of the marine and atmospheric environment that are consistent with the safe operation of ships,...
Clean Arctic Alliance
It's dedicated to persuading governments to take action to protect the Arctic, its wildlife and its people. The campaign "is currently working to secure a legally binding phase out of...
City of Knowledge Foundation
The City of Knowledge Foundation is a government-sponsored collection of “academic, scientific, humanistic and corporate institutions” working together to “further human and sustainable development, based on knowledge.” It aims to...
Circle of Blue
Focusing on water and issues relating to it, the organisation aims to inform the world’s most important decisions about water, food, and energy in a changing climate. Reporting the global...
Churchill Northern Studies Centre
It is dedicated to researching subarctic environmental issues; including issues concerning polar bears, beluga whales, winter migration, and Hudson Bay ecology. It provides a location to conduct subarctic research with a...
Chinadialogue
The independent, non-profit organisation is dedicated to "promoting a common understanding of China’s environmental challenges." It "identifies, promotes and supports the unique voices that increase understanding, share precious experiences and...
Chartered Institution of Water and Environmental Management
The Chartered Institution of Water and Environmental Management is a “royal chartered professional body dedicated to sustainable management of the environment, globally.” It “represents and supports a community of thousands...
CGIAR
A global partnership of international organizations focused on food security research. It is dedicated to increasing food security through its efforts to reduce rural poverty and improve human health and...
Centro Agronómico Tropical de Investigacion y Ensenanza (CATIE)
It is an international organization that focuses on scientific research, postgraduate education, and technical assistance to countries in the agricultural and natural resources sectors. It aims to promote education, research,...
Centre for the Understanding of Sustainable Prosperity
It is a research center funded by the UK’s Economic and Social Research Council (ESRC). It envisions a world with sustainable prosperity where "people everywhere have the capability to flourish...
Centre for Science and Environment
It “researches into, lobbies for and communicates the urgency of sustainable and equitable development” and strives to bring about change through knowledge dissemination. CSE’s “knowledge-based activism” relies on its research...
Centre for Polar Observation & Modelling (CPOM)
"Studies the land ice, sea ice, and ice sheets using satellite observations and numerical models of the polar regions". CPOM was funded by the Natural Environment Research Council (NERC) and...
Centre for Environment Education
The Centre for Environment Education is "supported by the Ministry of Environment, Forests and Climate, Government of India.” It strives to “improve public awareness and understanding of the environment and...
Centre for Ecological Research and Forestry Applications
It is a joint research institute with its own legal personality that conducts research and designs new conceptual and methodological tools in the field of terrestrial ecology, in particular forest...
Centre for Climate Change Economics and Policy
The Centre for Climate Change Economics and Policy is a climate change research center that studies the economics of global warming. It “brings together some of the world’s leading researchers...


