Oct. 1, 2008 - The ten-state Regional Greenhouse Gas Initiative (RGGI), which last week launched the first mandatory cap-and-trade program in the U.S., has sold more than $38 million worth of carbon allowances in its first auction.

July 30, 2008 - A top executive at General Electric told Congress this week that the best way to beat climate change is to assign a dollar value to carbon emissions, Reuters reports.

July 14, 2008 - Metals and mining giant ArcelorMittal is backing a pair of new venture capital funds aimed at promoting clean energy technologies and "climate-friendly solutions relevant to the steel industry."