The EPA-funded study surveyed institutions that reported improvement in air quality at their facilities due to student action.
A DOE laboratory says 850 utilities offer green power programs and sales of green power increased about 20 percent between 2007 and 2008.
Energy & Environmental Research Center has developed a system that produces high-pressure hydrogen on demand.
The retail division of the ACE Group is launching a contractors' pollution liability program.
The company will pay a $1.7 million penalty and spend millions to correct violations in seven states that were found after Invista took ownership of the DuPont facilities.
More than $1.6 million has been awarded to Duke University, Resources for the Future, and the World Resources Institute to study designs for a cap-and-trade system.