From Beijing to Paris, world to go dark for Earth Hour

Global landmarks from Sydney's Opera House to the Forbidden City, to the glittering Las Vegas Strip, will be plunged into darkness Saturday as activists bid to reinvigorate the climate change fight.

Scientists find way to track space junk in daylight

Scientists said Tuesday they had discovered a way to detect space debris even in daylight hours, potentially helping satellites to avoid the ever-growing cloud of junk orbiting the planet.

Free PC widgets save energy

I shaved 0.86 pounds of emissions from my carbon footprint and saved 0.646 kilowatt hours yesterday, and if the little widget on my PC can be believed, more than 22,000 people in 128 countries did roughly the same.

Flies like us: They can act like addicts, too

When given the chance to consume alcohol at will, fruit flies behave in ways that look an awful lot like human alcoholism. That's according to a study published online on December 10th in Current Biology that is one of the ...

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