"The WWF contracted RPS Applied Science Associates to model 22 different oil spill scenarios and map the spread of the oil, potential impact on the water and shoreline, and interaction with sea ice, wildlife and the surrounding ecology."

"Geothermal energy — tapping into heat deep underground and using it to produce power — is sometimes described as a forgotten renewable. It languishes in the shadows of better-known sources like wind and the sun, and in 2011 it accounted for less than 1 percent of electric power worldwide, according to last year’s World Energy Outlook."

"Development of oil and gas shale formations has sparked drilling from Pennsylvania to California, and that is leading to a new wave of local oil and gas ordinances and bans."

"A Boulder County District Court judge has struck down Longmont's fracking ban but said the ban can remain in place while the city considers an appeal."

"A nonprofit group backing Senate Minority Leader Mitch McConnell (R-Ky.) is spending $2 million-plus this month on TV ads that slam his Democratic challenger, a campaign partly dedicated to impugning her record on coal that leads some political observers to wonder if the industry is behind the curtain."

"The decision by a small coastal city in Maine to ban the export of crude oil from its harbor brought threats of lawsuits from the oil industry Tuesday and put South Portland on the front lines of a battle over development of Canada’s huge and controversial tar sands deposits."

"Federal regulators said on Wednesday that they would require railroads and oil shippers to use stronger tank cars to transport crude oil within two years."

"The speed of rail tank cars used in crude-by-rail shipments 'is an issue' that the Transportation Department may address in an upcoming safety rule, Secretary Anthony Foxx said."

"Mexico's Senate gave final approval early on Sunday to a bill that aims to boost competition and lower prices in the electricity sector, part of President Enrique Pena Nieto's landmark energy overhaul approved by Congress last year."

"Oil and gas operations have damaged Pennsylvania water supplies 209 times since the end of 2007, according to official determinations compiled by the Department of Environmental Protection that the agency is preparing to release for the first time."