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Apr 28, 2013 at 4:25 PM
The Environmental Protection Agency has dramatically lowered its estimate of how much of a potent heat-trapping gas leaks during natural gas production, in a shift with major implications for a debate that has divided environmentalists: Does the...
Apr 23, 2013 at 5:00 AM
The first planting of about 250 redwood clones took place in December on a ranch near Port Orford, Ore.
Apr 19, 2013 at 7:37 AM
NASA's planet-hunting telescope has discovered two planets that seem like ideal places for some sort of life to flourish. And they are just the right size and in just the right place.
Apr 11, 2013 at 4:16 PM
The ban on single-use plastic bags at grocery and retail stories takes effect May 1.
Mar 23, 2013 at 10:15 AM
A dozen farmers, supported by university experts and a $5 million state grant, are set to start construction of a Fresno County demonstration plant that will convert the beets into ethanol.
Mar 5, 2013 at 12:51 PM
The amount of heat-trapping carbon dioxide in the air jumped dramatically in 2012, making it very unlikely that global warming can be limited to another 2 degrees as many global leaders have hoped, new federal figures show.
Mar 4, 2013 at 1:09 PM
A Washington state lawmaker apologized Monday for asserting in an email last week that bicyclists pollute the air with their heavy breathing.
Feb 27, 2013 at 8:14 AM
A car that tells your insurance company how you're driving. A bathroom scale that lets you chart your weight on the Web. And a meter that warns your air conditioner when electricity gets more expensive. Welcome to the next phase of the wireless revolution.
Feb 20, 2013 at 9:11 AM
In a shift in strategy, the company that wants to build an oil pipeline from western Canada to Texas said Tuesday that the project will have no measurable effect on global warming.
Feb 18, 2013 at 6:00 AM
Construction has begun at Oregon State University on a $4.8 million facility to test a new nuclear energy technology that could be safer, more efficient and produce less waste than existing approaches.
Feb 13, 2013 at 7:37 AM
President Barack Obama set up high-stakes clashes with Republicans over guns, immigration, taxes and climate change in a State of the Union address that showcased his determination to mark his legacy. Republicans urged Obama to get out of campaign...
Feb 10, 2013 at 1:38 PM
While solar is a far less polluting energy source than coal or natural gas, many panel makers are nevertheless grappling with a hazardous waste problem.
Feb 3, 2013 at 2:01 PM
Fed up with traditional taxis, more city dwellers are using their smartphones to request rides using GPS-enabled mobile apps that let riders and drivers find each other in real time.
Feb 1, 2013 at 11:11 AM
The tenacious wolverine, a snow-loving carnivore sometimes called the "mountain devil," could soon join the list of species threatened by climate change.
Jan 8, 2013 at 10:49 AM
A brutal combination of a widespread drought and a mostly absent winter pushed the average annual U.S. temperature last year up to 55.32 degrees Fahrenheit.