Proposed changes to Brazil's forest laws that will cut back protection and offer wide ranging amnesties for illegal deforestation threaten to undo the country's impressive performances in cutting b

The massive international pipeline, known as the Keystone XL pipeline, would connect Alberta, Canada's booming tar sands to refineries in Texas and the Gulf Coast.

A controversial method for extracting natural gas — hydraulic fracturing or fracking — is stirring an environmental and property rights debate in South Africa.

A group of international hotels is collaborating on a groundbreaking initiative to standardize carbon accounting in the hospitality industry.

The U.S.

Preserving just 4 percent of the ocean could protect crucial habitat for the vast majority of marine mammal species, from sea otters to blue whales, according to researchers at Stanford University

New Jersey and Vermont struggled with their worst flooding in decades on Monday, a day after Hurricane Irene slammed an already soaked U.S.

While I think no piece about electric bikes is really complete without touching on the Optibike electric mountain bike I had the thrill of taking on a week-long test drive two years ago, this piece

New Jersey and Vermont struggled with their worst flooding in decades on Monday, a day after Hurricane Irene slammed an already soaked U.S.

A Greenpeace investigation has discovered the toxic chemical nonylphenol ethoxylate (NPE) in clothing made by 14 major brands, including Adidas, H&M, Converse and Abercrombie and Fitch.