The U.S. Energy Information Administration provides policy-neutral data, forecasts and analysis to encourage the creation of sound policies, efficient markets and to inform the public on how energy impacts the economy and environment. 
TreePeople is a nonprofit environmental group that brings together the power of trees, people and technology to create sustainable cities. TreePeople was formed in the 70's and continues to serve as an outstanding example on how local communities can come together protect cities from environmental degredation and global warming.
The Sierra Club is the oldest, most established grassroots environmental protection organization in the United States and is constantly working to protect communities, wild places and the planet. Sierra Club was founded by legendary environmentalist John Muir who can be found on the back of the California quarter.
EcoSearch is a nonprofit search engine that supports the environment by donating to green charities. EcoSearch helps spread the word about environmental organizations all over the world and is committed to preserving the environment and making a difference.
Greenpeace works to prevent environmental destruction through a peaceful, non-violent manner to raise awareness and spark public debate. Greenpeace was born in 1971 in an effort to discourage nuclear testing and has since grown into an international organization with offices in over 30 countries.
The Environmental Protection Agency leads the nation in environmental science, research and education. The primary mission of the EPA is to protect human health and the environment and is carried out through:
The Department Of Energy has one of the most diverse histories of all government agencies even though it has only existed for just a quarter century. Its roots arguably began with the Manhattan Project and the DOE proudly supports maintains many historically significant properties and contributes to museums across the country.
The World Wildlife Fund does more than just save Panda's, they have partnered with some the worlds most iconic companies and have a hand in influencing important global markets to preserve the environment.
The National Renewable Energy Laboratory (NREL) is a federal laboratory dedicated to research, development, commercialization and deployment of renewable energy and energy efficiency technologies. Historically, NREL has developed a reputation for its research and development of energy technology, but they also focus on working with small businesses to bring technologies from the lab to the marketplace.
RenewableEnergyWorld.com is the single most trusted NEWS source for all Renewable Energy News and Information. Originally created by a passionate group of renewable energy professionals, Renewable Energy World has grown to incorporate a comprehensive resource for renewable energy professionals.
People are often confused when the official USGBC website sends LEED candidates to the GBCI website. That's because USGBC creates the reference guides, rating systems and education programs but oursources the actual "testing" to GBCI (Green Building Certification Institute). This allows USGBC to concentrate on continously updating and creating new green building ciruculum.
Solar Energy International is a grass roots development organization that provides hands-on renewable energy and sustainable building workshops and online courses. SEI is committed to promoting sustainability and improving quality of life around the world.
LEED is an internationally recognized green building rating system used to designate the level of environmental efficiency of a building. It was developed by the non-profit U.S. Green Building Council (USGBC) to provide owners a framework for implementing eco-friendly construction and maintenance practices but has gained wide spread popularity for slashing operational costs along with the environmental footprint of a building.
Greenix is a resource for connecting green organizations to expand their influence and protect the environment.
