"In a new setback for a controversial wind farm proposed off Cape Cod, the National Park Service announced Monday that Nantucket Sound was eligible for listing on the National Register of Historic Places, guaranteeing further delays for the project."

"A federal appeals court has upheld Maryland's decision to deny a water quality certification for a liquefied natural gas terminal at Baltimore's Sparrows Point."

"The Harper government is quietly reviewing the $1.9-billion investment by a state-owned Chinese oil company in two oilsands projects, more than a month after the deal was originally supposed to close."

"The C$16.2 billion ($15.4 billion) Mackenzie pipeline in Canada's Arctic should be allowed to proceed, provided 176 recommendations aimed at securing socioeconomic benefits and minimizing environmental damage are followed, regulators ruled on Wednesday."

"A proposal to move large amounts of wind and solar power out of the Southwest by linking the three separate North American electricity grids with state-of-the-art switching terminals and superconducting cables is now in hands of federal regulators."

After a perceived shortage of gasoline refineries a few years ago, five U.S. refineries have shut down this year. Refiners seem convinced that -- even after the economy recovers -- demand will not grow much.

A plan for the world's largest solar array in California promises clean energy -- but critics say green energy isn't always green.

"Millions of households across America are taking a first step into the world of the 'smart grid,' as their power companies install meters that can tell them how much electricity they are using hour by hour -- and sometimes, appliance by appliance. But not everyone is happy about it."

"Wind turbines can kill a few Indiana bats without endangering the species but the owners must ask for permission first, U.S. District Judge Roger Titus ruled on Dec. 8. Titus blocked construction of 82 turbines in Greenbrier County, W.Va., and restricted 40 turbines already under construction to seasonal operation."