NEW YORK — Carbon market enthusiasts have largely given up on the idea of federal legislation on greenhouse gas emissions. Instead, most are now looking to establish cap-and-trade in the United States gradually, through the spread of regional programs. more here

Georgia Power has received approval from the Georgia Public Service Commission (PSC) for a new tariff that will nearly double the amount of solar energy the company purchases to supply its Green Energy Program. read more

In by far the most exhaustive and detailed study to date, the National Renewable Energy Laboratory (NREL) found that solar homes sold 20% faster, for 17% more than the equivalent non-solar homes, across several subdivisions built by different California builders.

When Shea Homes put solar PV and solar thermal systems on half the homes in a development, all 257 of them sold within a year, two years faster than expected. And while these new houses were priced at $380,000 to $500,000, they sold for as much as $600,000. more