Umm global warming has reduced the arctic land mass, increased sea levels there, affected arctic ocean currents, certain habitats of arctic animals such as the polar bear have been affected.. thts all I have :/
On an unrelated note, do you guys know where I can get some past papers for the new syllabus! its crazy hard to find anything, and on the edexcel site they only let u download January 2009. Any help would be appreciated.