"BP's renegade Macondo well, which spewed 4.9 million barrels of oil into the Gulf of Mexico in the world's largest accidental release of hydrocarbons, is finally dead.

"The top federal regulator of oil and gas pipelines is facing withering criticism for her ties to industry and her agency's floundering response to recent oil-pipeline spills in the Midwest and last week's deadly gas pipeline explosion in California."

"The first genetically modified animal could move one step closer to the U.S. market on Monday, when a federal advisory panel makes its recommendation on whether such food -- a salmon -- is safe for consumers to eat."

"America's warning system for the series of giant ocean waves known as a tsunami is better than it was before the deadly 2004 Indian Ocean tsunami, but not good enough to meet risks posed by tsunamis generated near land that leave little time for warning, says a new congressionally requested report from the National Research Council."

"U.S. regulators are likely to approve a higher blend of ethanol in U.S. gasoline shortly, an ethanol producers group and the top U.S. agriculture official each said on Friday, and the new fuel mix could be selling at the pump by next spring."

"After his mother died from eating contaminated peanut butter, Jeff Almer went to Washington to push for legislation that might save others from similar fates. And then he went again. And again. And again."

"The problem is old electronics, or e-waste -- computers, cellphones and other gadgets that people toss because they've found something newer and shinier."

"Few Americans say their religion influences their environmental views, according to a new poll by the Pew Research Center for People and the Press."

Is the federal government trying to stop any research on oil spill impacts in the Gulf that does not fit preconceived conclusions supported by industry? Independent scientists have been getting that impression lately.

"It has happened three times in two months. First with Time magazine, then twice with the New York Times. A story in a national publication says the Deepwater Horizon disaster might not be quite as bad as everyone feared. Government and oil company employees nod their heads, eager to send the message that their cleanup efforts are succeeding."