Daily Roundup: November 13, 2009

New Moon: NASA scientists found 25 gallons of water in the form of ice and vapor on the moon's surface. The discovery challenges previous assumptions about the moon's potential for supporting life. Los Angeles Times and Associated Press

Carbon Cutting: Brazil pledged to cut its projected 2020 greenhouse gas emissions by between 36.1 percent and 38.9 percent. Reuters

Cold Comfort: A new study suggests that trees planted at higher latitudes may provide the biggest benefit to the planet. New Scientist

Street Cleaning: More than 50,000 clunkers have been retired through Canada's Retire Your Ride program. Incentives offered in exchange for the polluting vehicles include free bus passes, bike rebates, or $300. AFP

Lookin' Good: The brown pelican has been removed from the endangered species list. The Interior Department estimates the bird's population at 650,000. Los Angeles Times

--Della Watson