"Green roofs have become increasingly popular in the United States as a way to beautify and insulate buildings and reduce heat pollution in urban areas, but last week one drew attention for a far different reason: it collapsed."

"Images and data on climate, earthquakes and much more is now available in a new mobile application that offers users simplified access to libraries that until now were tapped mainly by earth and environmental scientists."

"A boat resembling a flying saucer and run by the sun is making a stop in Miami."

Some transnational technology corporations see billions of dollars of business opportunity in China's rollout of a "smart grid" energy infrastructure in the next five years. No plans of comparable scale exist in the U.S.

"Now that the Cleantech Open –- the self-described Academy Awards of the clean-technology industry -– is over, we have some new, young companies to watch."

"The Interior Department tightened its rules on offshore oil  and gas operations on Thursday but left in place the moratorium on deepwater drilling that has left oil executives frustrated and Gulf Coast officials fuming."

"The Federal Communications Commission has changed its guidance to cellphone users worried about the health effects of wireless devices, dropping a long-standing recommendation that concerned consumers purchase phones with lower levels of radiation emissions."

"According to recently leaked documents, the Pennsylvania Office of Homeland Security has been tracking anti-gas drilling groups and their meetings — including a public screening of the film 'Gasland,' a documentary about the environmental hazards of natural gas drilling."

"The National Aeronautics and Space Administration has a 'critical responsibility' to the flying public to develop environmentally responsible solutions to the nation's most pressing aviation problems, NASA Administrator Charles F. Bolden Jr. said Wednesday."

"Even as lighting companies report advances in LED technology, consumers are being warned that some LED lighting products do not live up to the hype."

Eight small earthquakes in central West Virginia since April have Chesapeake Energy and the state Department of Environmental Protection discussing the possibility of seismic monitoring near a disposal well for gas-drilling fluids."

"U.S. health officials are set to rule on whether a faster-growing, genetically engineered fish is safe to eat in a decision that could deliver the first altered animal food to consumers' dinner plates."

"The Obama administration has decided to spend $1 billion in Recovery Act funds to build FutureGen 2.0, a clean coal repowering program and carbon dioxide storage network, in Illinois."

"If the Chevy Volt's $40,000 price tag sounds a bit too steep, you could always go the do-it-yourself route of Oregon teenager Ashton Stark. He just finished a yearlong conversion of his grandfather's 1972 Volkswagen Super Beetle into an electric car."

"The Army Corps of Engineers wants to use ash cast off from coal-fired electrical generation to shore up dozens of miles of Mississippi River levees, drawing fire from environmentalists worried that heavy metals from the filler might make their way into the river."