"The D.C. area took the No. 2 spot in a nationwide survey of metropolitan regions with energy-efficient buildings, according to the Environmental Protection Agency, which plans to publish the results Tuesday."

"The Urban Ocean Boat Cruise shows visitors the grittier side of L.A.'s coast."

"The Energy Department official overseeing DOE stimulus spending said today that suspending renewable energy grants as urged by Senate Democrats would hurt domestic job creation."

"Four Democratic senators are calling on the Obama administration to halt spending on a renewable energy program in the economic stimulus package until rules are in place to assure that the projects use predominantly American labor and materials."

"Wal-Mart Stores Inc plans to massively cut greenhouse gas emissions from its global supply chain within five years -- an effort the retailer said is equivalent to taking more than 3.8 million cars off the road for a year."

"GM's efforts to sell its Hummer brand to a little-known Chinese company have fallen apart, the U.S. automaker announced Wednesday. As a result, GM will begin to dismantle a brand of gas-guzzling SUVs that were synonymous with pre-financial crisis wealth and excess."