"More than 50 years after nearly being wiped out in eastern U.S. forests by a deadly imported fungus, the American chestnut may be on the comeback trail."
"Waterways across the upper Midwest are increasingly plagued with ugly, smelly and potentially deadly blue-green algae, bloomed by drought and fertilizer runoffs from farm fields, that's killed dozens of dogs and sickened many people."
"The US Environmental Protection Agency is recommending that owners of older buildings – including schools – test brittle, aging masonry and window caulking for high levels of likely cancer-causing chemicals."
"A federal judge on Monday dismissed most of a lawsuit filed against chemical giant DuPont Co. by Parkersburg (W.Va.) residents over the pollution of their city's water with the toxic chemical C8."
"In the woods on the northern edge of Scofieldtown Park are remnants of its days as a landfill. Containers lay strewn among the trees -- milk and 7UP bottles that haven't been used since the 1950s. More sinister are rusty paint cans and empty, decaying 55-gallon chemical drums."
"Unchecked global warming could bring a severe temperature rise of 4ºC (7ºF) within many people's lifetimes, according to a new report for the British government that significantly raises the stakes over climate change."
"Exelon, one of the country’s largest utilities, said Monday that it would quit the United States Chamber of Commerce because of that group’s stance on climate change."
"The world's largest economies agreed on Friday to phase out subsidies for oil and other carbon dioxide-spewing fossil fuels in the "medium term" as part of efforts to combat global warming."
"A Madison County [Ill.] class-action lawsuit filed in 2004 over the use of the popular herbicide atrazine is gaining steam, and one lawyer says it could reshape farming practices nationwide."