New concrete from C-Crete Technologies is stronger than traditional concrete and produces less CO2 in production. Winner of MIT $100k business plan contest (304 entries). http://bit.ly/dAcbYQ
Rolling down your window to cool the car on a hot day uses less energy than the AC - except when driving on the highway (where wind resistance matters more). Slate http://bit.ly/d65p04
Edmunds.com tests show that driving less aggressively is the best way to save fuel - better than driving slower, inflating tires, reducing idling, and other strategies. http://bit.ly/8Ygyoo
Do what several hundred million Chinese do: keep your house a bit cooler Winter nights, but stay cozy with electric bed warmers (water bottles and discs).
New desalination technique uses evaporation and concentration gradients to produce potable water at 1/4 the energy of traditional desalination. http://ow.ly/zndp
Sunlight Direct builds a system which collects sunlight with a roof-mounted parabolic mirror, then pipes it to various rooms in a building using fiber optic cables. http://www.sunlight-direct.com/
Soot (aka black carbon) plays a much larger role in global warming than previously thought. It is also easier to limit than CO2. http://econ.st/10hkYMP
Civil engineers in northern India build canals, slow streams in shaded areas, and create overflows in order to build glaciers. The runoff then feeds crops downstream. Economist http://econ.st/1afck3G
SUV drivers, guilty about environmental havoc their vehicles create, can now offset their pollution by buying environmental credits from TerraPass http://www.terrapass.com . Approximately $80 / year offsets one SUVs carbon dioxide emissions.
A box of nine costs $21.95. They are used to make fertilizer liquid (5 gallons per bag), not tea. Inc. Magazine http://bit.ly/a2KVCA
Ostara Nutrient Recovery Technologies takes wastewater and produces fertilizer, while also capturing phosphorus and nitrogen. CNET http://bit.ly/dyhGfX