How green tech got a second wind in 2012

December 31, 2012 3:30 PM Jolie O'Dell
Jolie O'Dell

Green tech picked up speed again in 2012, thanks to groundbreaking research, huge advances in efficiency, and a little company called Tesla.

Today, birdwatching. Tomorrow, saving the entire planet!

October 3, 2012 4:15 PM Dylan Tweney
Dylan Tweney

Birdeez is an iPhone app that makes it "ridiculously easy," in the words of cofounder Jeff Simeon, to identify birds and then share your sightings on Twitter.