"More than two million people living on the banks of Lake Kivu in central Africa are at risk of being asphyxiated by gases building up beneath its surface, scientists have warned."

The indigenous Kamayura tribe in Brazil's rain forest are losing their traditional source of food. The fish are disappearing from their lake as the Amazon region region is made hotter and drier by deforestation -- and some say by climate change.

"It will be hot, dry and a bad fire year for much of the West, Forest Service researchers are predicting."

"The 'dead zone' in the Gulf of Mexico, an area choked by low oxygen levels that threatens marine life, is smaller than expected this year but more deadly, the government said on Monday."

"A chemical [DEHP] used in many plastic products and already under scrutiny for potential health risks is suspected of raising the risk of liver problems in premature babies, according to a new study."

"In an interview with Yale Environment 360, John Kerry praises the carbon cap-and-trade legislation now being debated in the U.S. Senate, describes its importance to upcoming climate talks in Copenhagen, and explains how he plans to help the landmark legislation clear the Senate and become law."

"The Senate [Monday began debate] on a $34.3 billion fiscal 2010 energy and water spending bill as environmental groups press lawmakers to strip provisions they say will damage wetlands and fish habitat in Missouri."

What will happen to all the "clunkers" traded in for gas-sipping new cars under a new federal rebate program?

"Hazardous 3M trash buried decades ago in Washington County is being dug up and will be reburied with a protective lining."

What do you buy when you buy a carbon offset? Susan Hess follows the $4.50 she paid to offset the CO2 emitted for a train trip to Seattle in Gorge Outdoors, July 24, 2009.

Homes are "contaminated with potentially dangerous levels of uranium from the days of the cold war, when hundreds of uranium mines dotted the vast tribal land known as the Navajo Nation."

"The Canadian Food Inspection Agency has quietly approved a new genetically engineered corn with eight different insect- and weed-fighting traits, but farmer and environmental groups in Canada say the approval was rushed and environmental risks ignored."

"For decades, one of the nation's most widely used dry cleaning solvents was billed as a marvel of modern chemistry that could safely remove dirt and stains from clothing. ...But over the years, with little if any notice to the public, the often sloppy use of perchloroethylene has poisoned hundreds of sites in Illinois."

Wood has been hailed as a renewable fuel and is being used in New England power plants. But it is not undergoing some serious scrutiny of its environmental consequences.

"The Obama administration is close to a decision on filling two vacancies on the Nuclear Regulatory Commission, according to industry and congressional sources."