"A Canadian mining company has come one step closer to building a mile-wide, half-mile-deep open-pit copper mine on public land 30 miles south of Tucson. On Thursday, Arizona’s Department of Environmental Quality granted Rosemont Copper, a subsidiary of Augusta Resource of Vancouver, a crucial air quality permit, saying emissions from the proposed mine would not violate federal standards for carbon monoxide, nitrogen and sulfur dioxide, or fine and large particles."

"WASHINGTON -- Critics want a halt to offshore Arctic drilling in the wake of Shell's latest mishap in the waters off Alaska but there's no sign the Obama administration and key members of Congress are backing off their support for drilling in the sensitive region."

"U.S. Energy Secretary Steven Chu, the Nobel Prize winner who shepherded an effort to help spur a clean energy U.S. economy, will step down after a tenure rocked by the failures of some costly government investments."

"The American Legislative Exchange Council (ALEC) - known by its critics as a 'corporate bill mill' - has hit the ground running in 2013, pushing 'models bills' mandating the teaching of climate change denial in public school systems."

"Three senior Democrats on the House Energy and Commerce Committee defended a clean-energy grant program Wednesday, saying Republicans used misleading figures in a report earlier this month to slam the initiative."

"The EPA found serious flaws in two earlier environmental reviews. Soon it will have another opportunity to weigh in, with climate impacts a major concern."

"One of the biggest unknowns in the unfolding Keystone XL debate is the role the U.S. Environmental Protection Agency might play."

"A report by two energy-consulting firms says the US government has not protected US taxpayers well enough against the risks of federal loan guarantees to a new nuclear power project."

"An independent office within the Small Business Administration has worked to block health, safety and environmental regulations on behalf of small and large businesses without appropriate technical expertise, two new studies have charged."

"Last month Fox News reported on the 'grizzly deaths' of 500 songbirds in West Virginia. Behind the fell deed: a wind farm, caught red-turbined. 'To date, the Obama administration... has not prosecuted a single case against the wind industry,' the Fox reporter laments. Opponents of renewable energy love to trot out the risk wind turbines pose to birds, and some engineering work has gone into making them more avian-friendly. But a new study released today in Nature shows that if you really want to protect birds, forget about wind: You need to lock up Kitty."