Sat, Jul 10, 2010 at 7:46 PM
The non-native Asian clams promote so much algae growth that they can turn some coves from blue to green.
Wed, Jun 30, 2010 at 11:03 AM
The proposal for a national nuclear waste dump in Nevada is back on track, but the DOE is trying to withdraw the plan.
Sat, Jun 12, 2010 at 8:00 PM
Nipton, Nev., has unveiled a sun-powered generator that is expected to provide about 85 percent of the former mining town's electricity.
Wed, May 26, 2010 at 1:06 PM
In Sin City, May 26 is Indoor Air Quality Awareness Day.
Mon, May 24, 2010 at 5:29 PM
Alfalfa sprouts are being recalled in 15 states because of salmonella poisoning.
Mon, Apr 19, 2010 at 1:15 PM
Groups argue over cause, solution.
Fri, Apr 16, 2010 at 12:30 PM
With more than 160 active volcanoes, the United States is at greater risk from eruptions than many realize.
Tue, Feb 02, 2010 at 7:02 PM
Mostly known for buildings of the garish and glitzy variety, Las Vegas is the envisioned home of a residential community that's both gargantuan and green.
Wed, Jan 27, 2010 at 1:15 PM
Glaciers around the world are melting faster than usual, threatening to eliminate some of our largest and oldest freshwater sources. Should we be worried?
Thu, Jan 07, 2010 at 8:36 AM
Eco-photos of the week: Jan. 3-9.