February 3, 2017, 6am PST
With Donald Trump in office, the struggle against climate change may be up to the states. But are even the greenest states doing enough, especially as they continue shuttering nuclear plants?
January 21, 2016, 12pm PST
Over the past decade, Texas has led on wind but lagged on solar power. That may soon change. Texas solar companies are now offering "all-solar" plans to take advantage of an improved market.
September 14, 2014, 7am PDT
As California continues to set a national example for greenhouse-gas emission reductions while meeting the goals of AB 32, the state must grapple with new regulatory issues around energy.
July 25, 2013, 9am PDT
Driven by student activism and less idealistic motivations for improving energy efficiency, college campuses across the Unites States are pioneering 'innovative approaches to rethinking energy infrastructure'.
March 12, 2013, 7am PDT
Supplying power and transportation to 10 billion people while limiting hazardous emissions may be the defining challenge of the century. Many energy analysts think renewables won't get us there, and are betting on a nuclear energy miracle.
February 12, 2013, 8am PST
In carbon-tax friendly Australia wind energy production is now cheaper than coal and natural gas.
February 1, 2013, 10am PST
A new report indicates that carbon dioxide emissions in the U.S. have fallen by 13% in the past five years. The last time carbon emissions were this low, Ace of Base was topping the charts and "Pulp Fiction" was reviving the career of John Travolta.
September 14, 2012, 9am PDT
Sure, they may be doing so for purely financial reasons, but across America, big box stores are leading the way in embracing renewable energy sources, reports Diane Cardwell.
January 24, 2011, 5am PST
A new report from BP projects world energy use for the next 20 years: decreased oil growth but more OPEC-dependent; increased coal, natural gas, and renewable usage; and a major growth in carbon emissions.
November 11, 2008, 9am PST
As renewables replace polluting, carbon-intensive power sources, the reliability of the nation's electricity will be impaired because of the inability of the grid to accommodate power produced from distant sources, according to a new report.