"Google is teaming up with an environmental group map methane leaks from natural gas pipelines in US cities. Methane contributes to global warming, and Google hopes its new maps will encourage utilities to patch and replace old pipelines."

"US scientists have found that dust from the Sahara desert provides most of the iron found in the Atlantic ocean."

"The early summer invasion appears to be heavier than normal this year, surprising some and distressing others."

"SOUTH PORTLAND — A controversial proposal that would ban tar sands oil from coming into the city won the Planning Board’s endorsement Tuesday night."

"Regulators look at raising the limit for radiation amid a rash of illegal dumping."

California, the producer of nearly half of the nation's fruits, veggies, and nuts, plus export crops—four-fifths of the world's almonds, for example—is entering its third driest year on record."

"Government's flagship energy efficiency schemes are found wanting in report by Committee on Climate Change"

"Australia’s Senate voted to scrap the nation’s price on carbon, fulfilling Prime Minister Tony Abbott’s election campaign pledge to abolish a 'toxic tax' he said threatened the nation’s economy."

"The Environmental Protection Agency's (EPA) internal watchdog found "no indications of bias" after reviewing claims the agency waived public records fees for green groups but not conservative organizations."