This rover could patrol your yard, coaxing ticks onto fabric laced with insecticide. Early tests have shown it's very effective.
The Big Apple may be on course to cut its carbon footprint by a third, but this video is an arresting illustration of the challenge.
This story was corrected to clarify how carbon dioxide affects the oceans' pH acidity.
Annual report card on mankind's CO2 pollution says slowdown in emissions during the 2008-09 global financial crisis was a mere speed bump.
Japan's Kawasaki Kisen is building a car carrier in conjunction with Norwegian design experts that will run on liquefied natural gas.
But EU says it won't back down on plan to penalize greenhouse gas emissions from planes taking off and landing in the European Union. The plan is part of its efforts to slow climate change.
In a utopian gesture, Panasonic and partners will unveil a super-green town south of Tokyo in 2014.
MBD Energy installing first of many planned OriginOil systems for turning carbon dioxide into algae oil.
Most of the proceeds from the Regional Greenhouse Gas Initiative have gone to programs that aim to cut energy demand, foster the growth of alternative energy, and help the poor pay energy bills.
To encourage the use of clean energy, agency says it will defer permitting requirements for CO2 emissions from biomass-fired and other biogenic sources for three years.