"Carbon offsets neared all-time lows Friday, confirming their status as the world's worst performing commodity, as slumping demand meets rising supply of the U.N. instrument traded under the Kyoto Protocol."

"The White House budget office raised flags about the first energy loan guarantee awarded under the Obama administration, adding another layer of questions to the taxpayer backed financing now at the center of a House investigation."

"Wichita actually has thousands of jobs tied to improving the environment — in businesses such as organic farming, insulated building materials and wind turbine parts. But what makes the green economy different today is that it also attracts people who simply want to do well — as in, make money — rather than people who want to do good."

"Adjusting and adapting to an inevitably warmer world, more far-sighted private companies are moving forward even in the absence of strong government leadership globally and nationally. Understanding, anticipating and managing their risks are becoming those companies’ new, and challenging, reality."

"Executives from Wal-Mart, Walgreens, SuperValu and other stores joined Michelle Obama at the White House on Wednesday to announce a pledge to open or expand a combined 1,500 stores in communities that have limited access to nutritious food and are designated as 'food deserts.'"

Dramatic drops in the stock prices of some publicly traded geothermal energy companies in the last year or so have resulted from a variety of factors. Some companies lacking expertise have done a poor job of developing the geothermal reserves they hold. Some are having trouble getting the capital they need. And in the end, most of the best geothermal reserves in the U.S. may already be taken.

"A new report concludes that each ton of carbon dioxide emitted in the atmosphere inflicts as much as $900 in environmental harm - almost 45 times the amount the federal government uses when setting regulations. The gap, advocates say, disguises the true value of emissions reductions."