The city plans to inject up to 6 million gallons of treated sewage per day about 1,400 feet underground, then pump it back up later to water its golf course and residents' lawns.

At the rate it's going, it will take another 77 years to complete cleanup of the 43 sites identified in the late 1980s.

U.S. Activists: Please call your members of Congress and urge them to pass strong climate and clean energy legislation this year. Calling and registering your support is one of the most important steps you can take to ensure that Congress passes a strong

In June of 2009, the Environmental Protection Agency and other federal agencies created a plan to review the backlog of pending mountaintop removal permits.

A scientific trend to view the world's biggest cities as analogous to living, breathing organisms is fostering a deep new understanding of how poor air quality in megacities can harm residents, people living far downwind, and also play a major role in glo

Hard as it is to be a voice in the wilderness, Judy Hoy has been sounding an alarm in southwestern Montana for more than 13 years. For years she's been documenting, through autopsies, photos, articles and scientific papers, changes -- mutations, really

He said about 50 of the dolphins will be hand-picked for aquariums and the rest will be set free, although a time for that has not been set.

The melting has been recorded since 1979; scientists put the annual net loss of ice and water from the ice sheet at 300-400 gigatonnes (equivalent to a billion elephants being dropped in the ocean), which could hasten a catastrophic sea level rise.

The Chinese government needs to engage local communities in harnessing its vast water and hydropower resources and pursuing sustainable development, says environmental advocate Yu Xiaogang, recipient of the 2009 Ramon Magsaysay Award for Participatory Soc

The Maldives archipelago, threatened by rising sea levels blamed on climate change, said on Monday it would introduce a new environment tax on all tourists who use its resorts and provide its economic lifeline.