More on Climate Change

Care needed with carbon offsets

Planting trees to offset carbon will have little impact unless they are put in the right place, scientists say.
http://news.bbc.co.uk/go/em/-/2/hi/science/nature/6184577.stm


South Pole's ancient winds mapped

US scientists reconstruct a 40,000-year record of climate change at the South Pole.
http://news.bbc.co.uk/go/em/-/2/hi/science/nature/6199834.stm