American Council for an Energy-Efficient Economy
ACEEE is dedicated to advancing energy efficiency as a means of promoting both economic prosperity and environmental protection.
http://www.aceee.org

California Air Resources Board
Information regarding California's air quality, including strategic plans, news releases, upcoming events, and related links.
http://www.arb.ca.gov

Center for Energy Efficiency and Renewable Technologies
CEERT promotes awareness of public benefits available through increased utilization of energy conservation and nonpolluting electricity generation and transportation technologies. CEERT provides strategy and coordination of consumer education and public interest groups, environmental coalition building, regulatory process intervention, expert testimony, policy research, and related services to accomplish its mission.
http://www.ceert.org

Center for Resource Solutions
The Center for Resource Solutions brings together diverse interests to implement practical resource solutions. Their national and international programs promote clean and efficient energy use, encourage sustainable economic growth, and help preserve the environment for present and future generations.
http://www.resource-solutions.org

CERES (Coalition for Environmentally Responsible Economies)
A national network of investors, environmental organizations and other public interested groups working with companies and investors to address sustainability challenges such as global climate change.
http://www.ceres.org

Energy Information Administration
The Energy Information Administration's site is a good source for energy publications and national energy statistics.
http://www.eia.doe.gov

Environmental Defense Fund
EDF is a nonprofit organization with more than 500,000 members that links law, science, and economics to create equitable and cost-effective solutions to environmental problems.
http://www.edf.org

Georgetown Climate Center
The GCC focuses on the state-federal relationship in climate policy, and promotes the role of states in climate policy.
http://www.law.georgetown.edu/gcc/

Global Change Research Program
The U.S. Global Change Research Program (USGCRP) coordinates and integrates federal research on changes in the global environment and their implications for society.
http://www.globalchange.gov

Harvard Kennedy School
World leaders in clean energy policy.
http://www.hks.harvard.edu

Lawrence Berkeley National Laboratory: Environmental Energy Technologies Division
These departmental web pages contain information on the development of technologies and processes to mitigate the environmental effects of energy use, as well as analyses of energy efficiency policies and programs in the United States and internationally.
http://eetd.lbl.gov

Midwest Greenhouse Gas Accord
The MGGA was signed by six U.S. states and one Canadian province, and is being observed by three more states and one other province. The governors and premiers signed this agreement to bring Midwestern practicality to the climate change debate.
http://midwesternaccord.org

Natural Resources Defense Council
NRDC is an environmental action organization using law, science, and the support of more than one million members and online activists to protect the planet's wildlife and wild places and to ensure a safe and healthy environment for all living things.
http://www.nrdc.org

Pew Center on Global Climate Change
Pew Center provides a forum for objective research and analysis and for the development of pragmatic policies and solutions on climate change.
http://www.pewclimate.org

Regional Greenhouse Gas Initiative
The Regional Greenhouse Gas Initiative, or RGGI, is a cooperative effort by Northeastern and Mid-Atlantic states to reduce carbon dioxide emissions through a carbon cap-and-trade program with a market-based emissions trading system.
http://www.rggi.org

The Climate Registry
The Climate Registry supports mandatory and voluntary carbon emissions reporting in the United States, Canada, and Mexico.
http://www.theclimateregistry.org

The Energy Group, Princeton Environmental Institute
The Energy Group's research activities focus on identifying technologies and technology strategies and policies that could facilitate solutions for the long term of major energy-related societal problems
http://web.princeton.edu/sites/pei/

The Nicholas Institute for Environmental Policy Solutions
Part of Duke University, the Nicholas Institute provides scientifically grounded policy solutions to environmental problems.
http://www.nicholas.duke.edu/institute/

Union of Concerned Scientists
UCS is an independent nonprofit alliance of more than 100,000 concerned citizens and scientists. They augment rigorous scientific analysis with innovative thinking and committed citizen advocacy to build a cleaner, healthier environment and a safer world.
http://www.ucsusa.org

Western Climate Initiative
The Western Climate Initiative (WCI) is a cooperative effort between several western U.S. states, Canadian provinces, and Mexican states to address climate change and implement a joint strategy to reduce greenhouse gas emissions.
http://www.westernclimateinitiative.org/