1.) General Motors will design and build its own electric motors within two years.
2.) Why urban transportation planners could learn a thing or two from slime mold.
3.) Wind power capacity in the U.S. grew 39 percent in 2009.
4.) The U.S. Navy has promised to go green by 2012.
5.) It's the fiftieth anniversary of bubble wrap. (Pop. Pop. Pop.)
This post was originally published on Smartplanet.com