

News bites: Shell's oil spill response vessel lacks federal certification
Shell's oil spill response vessel, the Arctic Challenger, lacks federal certification after a series of construction delays, the Los Angeles Times reports.
Green certification labels add about 9 percent to a home's selling value, a California study of 1.6 million homes sold between 2007 and 2012 showed.
Higher emissions of greenhouse gases methane and black carbon could be a side effect of Arctic drilling, Time reports.
France might soon lift its ban on shale gas exploration, Bloomberg Businessweek reports.
Texas is the state most likely to experience an electricity blackout, The Texas Tribune reports.








