"Debra White Plume and Marie Brush Breaker Randall stood in the middle of Highway 44, alongside more than 70 other members of the Oglala Lakota Nation. For hours, they didn't budge -- much to the chagrin of some tractor-trailer drivers bound for the tar sands region of Alberta, Canada."

"LONDON -- The development of low-carbon energy is progressing too slowly to limit global warming, the International Energy Agency (IEA) said on Wednesday."

"Supreme Court justices [Tuesday] appeared receptive to the trucking industry's call to strike down a Port of Los Angeles program designed to clean up some of the country's most diesel-polluted air."

"The Obama administration on Monday renewed an interagency agreement that backs the development of biofuels for the aviation industry and reiterated its support for embattled federal renewable fuel targets."

"WASHINGTON, DC -- In a new report, 'Cooking the Books: How The State Department Analysis Ignores the True Climate Impact of the Keystone XL Pipeline,' environmental groups and scientists opposed to the pipeline warn of 'climate disaster' if President Barack Obama allows it to cross the Canada-U.S. border, carrying tar sands bitumen from Alberta to Nebraska."

"Republican lawmakers on Tuesday worked on two fronts to advance legislation that would force approval of the Keystone XL pipeline."

The 2013 Pulitzer Prize for National Reporting went to InsideClimate News, a 5-year-old web-only nonprofit, for its book-length feature series on the 2010 Enbridge tar-sands oil spill that fouled miles of Michigan's Kalamazoo River. InsideClimate has been one of the most aggressive media outlets covering the current spill in Mayflower, Arkansas. ExxonMobil recently threatened one of InsideClimate's reporters with arrest for trying to find a federal government press office handling the spill.

"MAYFLOWER, Arkansas -- Warren Andrews had just finished putting up balloons for his stepdaughter's 18th birthday party at their suburban home in Mayflower, Arkansas, when his wife came inside and said something was wrong."

"President Obama's top energy adviser repeatedly huddled with oil and gas lobbyists in the months before the administration changed new hydraulic fracturing rules to the industry's liking, records show."