Tips to reduce your carbon footprint frequently include buying compact florescent light bulbs, taking your own bag to the grocery store or buying local produce.

A team of 13 prominent scientists and land-use experts has identified an important but fixable error in legal accounting rules for bioenergy that could, if uncorrected, undermine efforts to reduce greenhouse gases by encouraging deforestation.

Availability of solar cell materials could limit large-scale deployment of photovoltaics.

By Janis Mara Some 1.2 million mirrors capturing the sizzling heat of the Mojave Desert are expected to generate enough power for 400,000 California homes by 2011 thanks to a Pacific Gas & Electric Co. deal announced Wednesday.

By Ian Hoffman, STAFF WRITER President Bush's vow to curb U.S. addiction to foreign oil delighted many energy scientists when it was followed days later by a budget requesting large spending boosts in solar, biomass and particularly nuclear energy research.