"More than 100,000 people in northern Iraq have abandoned their homes since 2005 because of water stress, after drought and over-extraction of groundwater caused the collapse of an ancient water system, UNESCO said on Tuesday."

"A powerful fall storm packing strong winds and rain drenched fire-scarred hillsides around California on Wednesday, and residents from north to south braced for possible mudslides and debris flows."

"A controversial e-mail message buried by the Bush administration because of its conclusions on global warming surfaced Tuesday, nearly two years after it was first sent to the White House and never opened."

"A congressional panel will hold a hearing Thursday into those forged letters urging lawmakers to oppose climate change legislation. The letters purported to come from minority, senior, and veterans' groups, but in fact were sent by Bonner & Associates, a GOP-aligned astroturf lobbying firm, on behalf of a coal industry client."

"Burmese pythons and other giant snakes imported as pets could endanger some of America's most important parks and wilderness areas if they are allowed to multiply, according to a report released on Tuesday."

"The Obama administration is taking on Cheerios. And popular cold remedies and swimming pool drains and rhinestones on children's clothing."

State lawmakers in some states are overriding local ordinances that ban drying laundry outdoors. While some people like clotheslines as an energy-saver, others think them an eyesore.

"Prisons probably aren't the first place you'd expect to find organic gardens or beekeeping. But in some prisons in western Washington, inmates are being taught new skills and getting involved in conservation work."

"A house capable of floating atop rising floodwaters made its debut [Oct. 6] in New Orleans."

"A tidy village dedicated to the future of green, solar-powered living has taken over the heart of the National Mall, where 20 teams of college students are vying to see who can build the most appealing energy-efficient home."