Heat pumps gain steam as renewables rise
A cluster of new studies from states, electric utilities and environmental groups suggest that as more electricity from solar and wind power is introduced on the nation's electric grids, a wider use of electric heat pumps will help the United States reduce its greenhouse gas emissions to near zero by 2050.
Community 'barn raising' helps tribes build renewables
Dozens of workers and volunteers will meet this month in a hayfield outside a tiny town on the southwestern tip of Colorado. There, they will unpack and install 3,500 solar panels, mounting them on a forest of steel pipes already sticking out of the ground.
Poor areas suffer most when storms hit cities — study
Severe storms "fall on the rich and poor alike," but low-income neighborhoods suffer more damage from urban flooding, according to a new study.
Greens who once fought nuclear power now lament its demise
American nuclear power is poised to fall off a cliff.
Scientists explore mysteries of atmospheric rivers
Scientists want to know more about the long, airborne streams of water vapor known as atmospheric rivers that can drop massive amounts of water on California.