"The U.S. Environmental Protection Agency [Tuesday] finalized a rule setting stricter exhaust emission standards and cleaner fuel standards for large marine diesel engines on large U.S.-flagged ships, a part of the agency’s long-term strategy to reduce harmful marine diesel emissions."

"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."

"A county board in central California approved the expansion of the largest toxic-waste dump in the West, despite concerns about an increase in birth defects in a nearby farming town."

The nuclear industry may get a shot in the arm -- as the Energy Department is set to announce $18.5 billion in new loan guarantees.

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.

"An agreement to protect a Utah canyon decorated by ancient American Indian art is expected to allow energy development in the area to move forward."

"The Obama administration said Wednesday it is going forward with a contentious plan to round up about 2,500 wild horses in Nevada."

"The top U.N. climate official said Wednesday that though the Copenhagen global warming summit went sour, countries should avoid blaming each other and get down to work on a better deal next year."

Some golf courses get a bad rap from environmentalists, but there's a budding green movement in the golf industry.