Research, training, and software for hydrologic engineering and water resources planning and management.

Studies climate change and related issues.

Columbia University environmental research activities and education programs in the Arizona "living laboratory" originally built for an experiment to test the feasibility of humans living in a closed ecosystem.

Independent, international organisation affiliated with the Danish Academy of Technical Sciences, offering research and consultation in ecology, environmental chemistry, water resources, environmental informatics, and hydraulic structures, with particular emphasis on environmental monitoring.

ORNL's environmental sciences R&D portfolio includes work in biogeochemistry, environmental biotechnology, environmental chemistry, ecosystem studies, geosciences, hydrology, microbiology, and environmental assessment.

Center of expertise in research and consultancy in the environment and natural resources sector, conducting research, development, and training to promote efficient management and use of renewable natural resources in support of sustainable livelihoods.

an internationally recognized, independent research and education center that advances environmental protection by improving law, policy, and management. (U.S.-based)

A nonprofit and nonpartisan think tank located in Washington, DC that conducts independent research - rooted primarily in economics and other social sciences - on environmental and natural resource issues.

International research, film production and development organization: finding solutions to environmental, health, population and development problems.

conducts basic research on environmental health and environment-related diseases. Links to information on programs, grants, research, events, contracts, employment, training, outreach events, public information.