The overall energy efficiency of U.S. homes has improved since the 1970s, but those advances are partially undercut by more numerous appliances and electronic gadgets.
It's the first rise in the emissions blamed for global warming since the recession pushed them down in the previous two years and the largest increase since 1988.
Energy use from the menagerie of consumer electronics -- PCs, iPad, DVRs, etc. -- has ballooned, a result of our always-on lifestyle. Better efficiency and powering down can help.
With garage outlet access in only 49 percent of detached homes and 14 percent of apartments, is the real EV market in the Midwest suburbs?
Countries around the globe, unsettled by the troubles at Japan's earthquake-struck reactors, are taking stock of the best ways to meet their energy needs.
Academics study land requirements for different energy sources and find that they vary greatly, but the biggest challenge is siting power plants and new transmission lines.
Climb in gas prices could fuel antisprawl movement; carbon tax raises gas prices in Canada; Novomer rolls out CO2-based plastic.
Companies around the world are now racing to establish their credibility in green production. But they must also be careful of not being perceived as greenwashing.