Ice reflects nearly all the sun's energy that hits it. As the planet's ice melts, more of that energy is absorbed by Earth, which further raises the temperature. That, in turn, makes the remaining ice melt quicker.
October 7, 2010
UK auctions 4.4 million EUAs at €15.46
October 4, 2010
Canada unveils details of climate financing
October 1, 2010
US may boost vehicle fuel economy to 60 mpg