"Toyota, the biggest player in hybrid-electric cars, has launched a cut price Prius as the Japanese firm fights back following one of the worst years in its history.

Jim Lentz, president and chief operating officer of Toyota USA, unveiled the Prius C at the second day of the North American International Automobile Show (NAIAS) at Detroit's Cobo Center. For a second year in a row the car show has been dominated by hybrid and electric car launches, although sales have so far been disappointing.

"The Seattle City Council voted Monday to ban single-use plastic bags from groceries and other retail stores, joining a growing trend among cities that embrace green values."

"Owners of thousands of U.S. homes tainted with foul-smelling Chinese drywall agreed to a legal settlement on Thursday with a German manufacturer."

"At a hearing in Washington yesterday, lawmakers pressed product safety and health regulators about their three-year investigation into contaminated drywall, expressing frustration with their progress on all fronts."

"A settlement outlined Wednesday between a major manufacturer of Chinese-made drywall and homebuilders who used the tainted product in Florida, Texas, Louisiana and Mississippi could affect anywhere from 800 to 1,500 homes, attorneys said."

"They will run your errands by bicycle, recommend a spa that gives vegan manicures or buy organic clothes for you and your dog. They will even book you a dream vacation and buy the appropriate carbon offsets. Green living is just so much easier when you have your own personal environmental concierge."