"Louisiana Democrat Mary Landrieu today vowed to block the Senate's confirmation of a top White House nominee until the Obama administration takes action on its deepwater drilling moratorium."

"Several Asian countries in addition to China could soon challenge the United States in the race to build a renewable energy industry if Washington doesn't provide more incentives for its domestic business, venture capitalists and others told a Congressional hearing on Wednesday."

"A biotech company plans to announce Tuesday that it has won a patent on a genetically altered bacterium that converts sunlight and carbon dioxide into ingredients of diesel fuel, a step that could provide a new pathway for making ethanol or a diesel replacement that skips several cumbersome and expensive steps in existing methods."

"Italy Tuesday seized Mafia-linked assets worth $1.9 billion -- the biggest mob haul ever -- in an operation revealing that the crime group was trying to 'go green' by laundering money through alternative energy companies."

Pouty green fashionistas stalk the runways as Fashion Week takes over Gotham. Ten top designers show that eco-friendly, ethically sound, fair-trade fashion does not have to be matronly. It's all about recycled glitz. But are recycled soda tabs wearable?

"Bill McKibben, an environmental campaigner from Vermont with a flair for showmanship, was rebuffed Friday morning in his effort to get the White House to reinstall one of the solar panels that President Jimmy Carter had placed on the White House roof."

"The first wave of mass-produced advanced batteries funded by the Obama administration's economic recovery program is starting to roll off assembly lines, setting the stage for new hybrid and electric vehicles."

A blighted area of Indianapolis has at least 70 of the area's 500 abandoned commercial and industrial sites. The return of rail transport promises revitalization.

"In the rush to develop America's biggest new source of domestic energy, one community is fighting to protect its rural way of life from the environmental strains that accompany shale gas drilling."

"What does it take to trade in a commodity that cannot be seen or touched - and isn't even a commodity in the United States? First of three parts."