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.
Tech & Science
Science Guy Bill Nye adds smarts to smartphones
Bill Nye the Science Guy is celebrating the 20th anniversary of his science show's debut with an app that puts games, experiments and bow-tie tips on smartphones and tablets.