"Scientists using satellite images and data from NASA's Operation IceBridge have found evidence of a drained and refilled subglacial lake beneath northeastern Greenland's Flade Ice Cap."

"For years, scientists have documented the rapid retreat of Arctic ice, from melting glaciers in Greenland to shrinking snow cover in far northern Eurasia. Now researchers have discovered one Arctic ice cap that appears to be literally sliding into the sea."

"NEW DELHI — In the world’s most polluted city, a layer of smog hangs over everything, thicker year after year."

"Billionaire activist Tom Steyer won’t run for the U.S. Senate in 2016, saying Thursday he will instead concentrate on electing a Democratic president and in continued activism on his signature issue of climate change."

"Boston's aging pipeline network leaks about $90 million worth of natural gas each year, marking a sizeable financial loss and a threat to the environment, according to a study released on Thursday by Harvard researchers."

"The United Nations asked governments on Thursday to submit plans to cut greenhouse gas emissions as the building blocks of a deal due in Paris in December to limit global warming, after scientists said 2014 was the hottest year on record."

"The Bulletin of the Atomic Scientists says Earth is now closer to human-caused doomsday than it has been in more than 30 years because of global warming and nuclear weaponry. But other experts say that's way too gloomy."

"President Obama is tapping Brian Deese, the deputy director of his budget office, to replace veteran aide John Podesta when he departs the White House next month."

"President Obama on Wednesday signed an executive order establishing a new panel that will advise the federal government on preserving the Alaskan Arctic."

"It is nearly 27 years now since a NASA scientist testified before the US Senate that the agency was 99% certain that rising global temperatures were caused by the burning of fossil fuels. And the Senate still has not got it – based on the results of three symbolic climate change votes on Wednesday night."