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Orbital solar plants could meet energy needs
Harvesting the sun's energy from space could provide cost-effective power within 30 years
Thermostat reinvented, and it's finally good
Do you ever feel guilty about not efficiently managing your home's heating and air conditioning? It's not your fault. Turns out, thermostats really are awful, and it's time for a totally new one. Enter the Nest learning thermostat.
Solar power begins to go mainstream
Panel prices have plunged by two-thirds since 2008
GM to launch electric Chevy Spark
General Motors plans to introduce an electric version of the Chevrolet Spark in the U.S.
White House ignored risks in Solyndra deal
Bottom Line: The Obama administration committed more than $500 million in taxpayer money to a maker of solar power panels despite repeated red flags about the company’s viability, NBC News’ Lisa Myers reported Wednesday.





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Duane Hoffman
'Like' it or not: 10 things Facebook changed in 10 years
Ten years ago Tuesday, Mark Zuckerberg launched “The Facebook” from his Harvard dorm. Since then, the site has gone on to redefine our lives online.

Slideshow
Mike Cianchette
  Harnessing the wind
America's wind industry expects new growth now that a 30 percent renewable energy tax credit is available.

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  Green wheels
Take a look at some slightly unusual “green wheels.”

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