"Extreme weather is putting America’s power grid to the test, with a year-long run of violent storms and record heat battering a system built for fairer skies."

"PUNTO FIJO, Venezuela -- A huge explosion rocked Venezuela's biggest oil refinery and unleashed a ferocious fire on Saturday, killing at least 39 people and injuring more than 80 others in one of the deadliest disasters ever to hit the country's key oil industry."

"U.S. regulators have rejected claims by oil and gas companies that a requirement to disclose payments to foreign governments is so big of a burden that it outweighs a broader goal of choking off corruption in countries where they operate."

"PARIS, Texas -- The developer of the disputed Keystone XL oil pipeline, planned to carry oil from Canadian tar sands to Texas Gulf Coast refineries, may condemn land across a northeast Texas farm for the pipeline's right of way, a judge ruled Wednesday."

"By proposing to end a century of federal control over oil and gas drilling and coal mining on government lands, Mitt Romney is making a bid for anti-Washington voters in key Western states while dangling the promise of a big reward to major campaign supporters from the energy industry."

"NASHVILLE, Tenn. -- The Tennessee Valley Authority is liable for a huge spill of toxin-laden sludge in 2008 in Tennessee, a federal judge ruled Thursday."

"After investing billions of dollars and navigating a gantlet of legal and regulatory hurdles in its seven-year quest to explore for Arctic oil, Royal Dutch Shell PLC could face additional delays as it awaits the end of whale hunting season in the Beaufort Sea."

"HOUSTON -- Mitt Romney plans to unveil an energy plan Thursday morning in Hobbs, N.M., that would allow states more control over the development of energy resources on federal lands within their borders, as well as aggressively expand offshore oil and gas drilling -- including along the coasts of Virginia and the Carolinas -- as part of a broader effort to reach energy independence."

"ANCHORAGE, Alaska -- Oil companies operating in the Chukchi Sea off Alaska's northwest coast will have a negligible effect on polar bears and walrus, according to a federal Appeals Court ruling Tuesday that backed U.S. Fish and Wildlife Service rules on harassment of the animals."

"What do the energy and environment policies of President Obama and presumptive GOP nominee Mitt Romney bode for the country?"