"The Obama administration, moving swiftly on the president’s promise to expedite the southernmost portion of the disputed Keystone XL pipeline, has granted construction permits for part of the route passing through Texas, officials said on Tuesday."

"New Jersey legislators approved legislation on Monday banning the treatment or storage of fracking waste in the state."

The Quechan Tribe has filed suit to halt construction of the 112-turbine Ocotillo Wind Energy Facility on BLM-administered land in Southern California.

"With turbines threatening some bird and bat populations, researchers are seeking ways to keep the skies safe for wildlife."

"A report finds that injecting carbon dioxide into underground rock formations, while a potential means of fighting global warming, could increase stresses on faults, leading to earthquakes."

"Alternative fuels are likely to remain more expensive than their petroleum counterparts and offer the military little advantage as it seeks to secure its access to energy supplies, according to government-sponsored studies released today."

"ELK POINT, Alberta -- There's been another oil spill in Alberta, this time northeast of Edmonton."

"The federal government could soon give the final go-ahead for Royal Dutch Shell to begin drilling for oil in the Arctic Ocean. Shell has spent $4 billion since 2007 to prepare for this work, and is hoping to tap into vast new deposits of oil."

"But the plan to drill exploratory wells is controversial — opposed by environmental groups and some indigenous people as well.