March 6, 2013, 11am PST
Although California has long been a pioneer in protecting the environment, for its most innovative policies - from mandating renewable energy to limiting greenhouse gas emissions - to succeed, it will need other states, and countries, to follow.
February 21, 2013, 6am PST
A new report shows that New York City could be 90 percent carbon-free by 2050, "without breaking the bank," if it upgrades heating systems and transportation to renewable electricity, reports Taz Loomans.
February 2, 2013, 7am PST
Friday brought word that Energy Secretary Steven Chu will leave the Obama administration once a replacement is in place. With his departure, each of the cabinet's energy and environmental positions remain vacant.
November 30, 2012, 12pm PST
While the federal government has dithered on comprehensive programs to limit greenhouse gas emissions, states and cities have led such efforts. Climate change skeptics are now leading efforts to reverse state renewable energy mandates across the US.
November 5, 2012, 1pm PST
German Chancellor Angela Merkel is trying to salvage a plan to increase the country's reliance on renewable energy to at least 35 percent by 2020 amid rising energy prices and mounting criticism
August 12, 2012, 7am PDT
Experimental efforts are being made to harness the extreme currents off Maine's coast, as underwater tidal energy turbines could soon generate power for nearby homes and businesses.
June 24, 2012, 9am PDT
The federal government gives more research and development subsidies to fossil fuels than clean energy technologies. But, why?
June 21, 2012, 8am PDT
Nations like Denmark are leading the world in producing renewable energy. But the transition to renewables doesn’t just amount to the number of solar panels or wind turbines that can be built, it takes a smart grid to maximize their potential.
May 17, 2012, 7am PDT
Boyd Cohen takes us through a brief tour of the Lion City's many progressive and wildly successful programs, from affordable housing to traffic management and beyond.
May 14, 2012, 9am PDT
Michael Lind argues that the version of the nation's infrastructure priorities we've been sold is a fallacy, and he has some suggestions for the kind of infrastructure we really need.
May 11, 2012, 6am PDT
Jim Dwyer takes a look at a proposal to produce clean energy by tapping into New York's extensive and abundantly fed water delivery system.
March 19, 2012, 6am PDT
A new report attributes a 9% decrease in greenhouse gas emissions from the nation's power plants in 2009 to the relatively cheap price of generating electricity from natural gas versus coal.
Homeland Security News Wire
March 6, 2012, 11am PST
Having just returned from a United Nations-led tour of disaster-ravaged areas of Japan, Warren Karlenzig reports on efforts across the region to rebuild along smart growth and green economic development models.
January 11, 2012, 7am PST
Dozens of renewable energy projects completed in California's national parks and forests have yet to be utilized due to a years-long squabble with Southern California Edison, wasting tens of thousands of dollars in potential savings.
January 4, 2012, 2pm PST
Farmers are enjoying high corn prices and may not even have noticed the end of the subsidy on Dec. 31 according to the agricultural economist interviewed on NPR.
December 1, 2011, 8am PST
John Farrell of Renewable Energy World explains how a shift to local, renewable energy sources and away from the current system of long-distance, coal-burning utilities will
October 26, 2011, 11am PDT
In its 5th year, the Solar Decathlon had submissions from 20 different countries and from schools like SCI-Arc/Caltech's and Appalachian State University, writes Diana Budds for Dwell.
October 11, 2011, 1pm PDT
At the European Future Energy Forum (EFEF) 2011, Masdar City displayed business opportunities to companies in renewable energy and clean technology as well as service providers in that industry.
September 25, 2011, 7am PDT
Jennifer Runyon asks if environmentalists are doing the right thing by pushing regulations that make the cost of building renewable energy projects prohibitive.
September 16, 2011, 1pm PDT
The President went out of his way to support Solyndra's cutting-edge solar technology. When the company declares bankruptcy this week, Jon Stewart anticipates the gaffes by Obama's opposition in a very funny segment on The Daily Show.