Straw, a century-old building material, is making a comeback as an eco-friendly choice for modern home construction.

"With four gray wolves having been killed in Idaho since Sept. 1, a federal judge has cleared the way for legal hunting of the once-endangered predators to proceed."

"Hot Springs National Park, Yellowstone, Yosemite, and Grand Canyon National Parks and Mt. Hood National Forest will be the first sites commemorated in a new quarter-dollar program announced today by the United States Mint."

"Key Senate Democrats insisted that they are making incremental progress on a comprehensive global warming bill as they returned to Capitol Hill yesterday following a monthlong break where health care reform surged to the top of Congress' legislative agenda."

The CDC rarely gets requests to investigate cancer clusters, and it is rarer still that the agency finds a cancer cluster exists, much less what caused it.

"By certifying species as endangered, government programs can backfire."

"Chinese government officials signed an agreement on Tuesday with First Solar, an American solar developer, for a 2,000-megawatt photovoltaic farm to be built in the Mongolian desert."

"The Environmental Protection Agency agreed Friday to update its standards on radon emissions from uranium mills."

"Developing nations' urgent need for more energy has become a central issue this year as developed countries -- including the United States -- push for a global reduction in carbon emissions ahead of a climate change conference scheduled for December in Copenhagen."

"Yorba Linda, close to one of last year's major burn areas, is among cities trapping and killing the predators. Animal activists object, and more debate is planned."

"While [Van] Jones was criticized as a left-wing zealot, the Obama team's record so far on the environment has been far from radical."

"Citing 'clear evidence' of likely environmental damage, the Obama administration has moved toward revoking the largest mountaintop-removal permit in West Virginia history."

"Half of all the fish eaten in the world now is raised on fish farms rather than caught in the wild, according to new research by an international team of scientists."

"The toxic leftovers from burning coal for power are sitting in nearly 600 sites in 35 states, according to a federal survey released Tuesday."

"Government researchers have confirmed the ideal testing ground for electric cars: the U.S. Postal Service. Now all they have to do is find the money to pay for it."