"President Obama, denouncing a 'rushed and arbitrary deadline' set by congressional Republicans, announced Wednesday that he was rejecting a Canadian firm's application for a permit to build and operate the Keystone XL pipeline, a massive project that would have stretched from Canada's oil sands to refineries in Texas.

"HANFORD SITE, Wash. – Seven decades after scientists came here during World War II to create plutonium for the first atomic bomb, a new generation is struggling with an even more daunting task: cleaning up the radioactive mess."

"Insurance companies don’t care if you believe in climate change or not: Your premiums are going up anyhow."

"Old mattresses are among the worst kinds of household waste: Most recycling companies won't touch them, and landfills would rather not. But a new business in Nashville that started as a college project hopes to move mattress recycling into the mainstream — and employ former convicts in the process."

"Federal researchers say an infectious and lethal cold-loving fungus sweeping through parts of North America and Canada has killed millions more bats over the last five years than previously estimated.

The rapidly spreading fungus responsible for white-nose syndrome is now believed to have killed 5.7 million to 6.7 million bats, a count several times higher than earlier estimates, across 16 states as far west as Oklahoma.

"Shale gas has transformed the U.S. energy landscape in the past several years—but it may crowd out renewable energy and other ways of cutting greenhouse gas (GHG) emissions, a new study warns."

"President Barack Obama's jobs council called on Tuesday for a corporate tax overhaul, expanded domestic drilling and new regulatory reforms, a set of proposals unlikely to provide a quick fix for high unemployment or gain much traction in an election year."

"Prominent MIT researcher Kerry Emanuel has been receiving an unprecedented 'frenzy of hate' after a video featuring an interview with him was published recently by Climate Desk.

Emails contained 'veiled threats against my wife,' and other 'tangible threats,' Emanuel, a highly-regarded atmospheric scientist and director of MIT’s Atmospheres, Oceans, and Climate program, said in an interview. 'They were vile, these emails. They were the kind of emails nobody would like to receive.'

"As a third-grader in Winsted, Connecticut, last year, Matthew Asselin was sick -- a lot. He was lethargic and plagued with a persistent wet cough, respiratory infections and painful headaches."

"New York's emerging plan to regulate natural gas drilling in the gas-rich Marcellus Shale needs to go further to safeguard drinking water, environmentally sensitive areas and gas industry workers, the U.S. Environmental Protection Agency has informed state officials. The EPA's comments, in a series of letters [1] this week to the state's Department of Environmental Conservation, are significant because they suggest the agency will be watching closely as states in the Northeast and Midwest embrace new drilling technologies to tap vast reserves of shale gas."