- Carbon Seqestration in Terrestrial Ecosystems (CSiTE)
- Established by the U.S. Department of Energy to perform fundamental research that will lead to acceptable methods to enhance carbon sequestration in terrestrial ecosystems. - Center for Ecosystem Science and Policy (CESP)
- Working to create innovative, interdisciplinary initiatives that bridge the gap between science and environmental policy. - Chinese Ecosystem Research Network
 - Coastal Research and Education Society of Long Island, Inc.
- Promotes and fosters understanding and stewardship of coastal ecosystems through research and education. - CSIRO Sustainable Ecosystems
- Seeks to inspire and enable Australians to nurture the ecosystems that sustain viable enterprises, maintain unique biodiversity, and support robust rural and urban communities. - Ecosystems Center, The - Marine Biological Laboratory (MBL)
- Investigates the structure and functioning of ecological systems, as well as their response to changing environmental conditions. - Florida Center for Environmental Studies
- Coordinates research and training with universities. Focus is on Florida, tropical/subtropical, estuary and freshwater ecosystems. - Institute of Ecosystem Studies (IES)
 - LBA - Large Scale Biosphere-Atmosphere Experiment in Amazonia
- Multi-disciplinary, international research effort designed to understand climatological, ecological, biogeochemical, and hydrologic functioning of Amazonia. - Miistakis Institute for the Rockies
- Focusing on transboundary ecosystem management. - Multiscale Experimental Ecosystem Research Center (MEERC) - University of Maryland
- Exploratory environmental research centre that forms part of the Centre for Environmental and Estuarine Studies. - Savannah River Ecology Lab (SREL) - University of Georgia@
- Sustainable Ecosystems Institute
- SEI works to sustain ecosystems and the people who depend on them, focusing on areas of current or potential conflict and bringing about cooperative solutions. - USGS Northern Prairie Wildlife Research Center

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