Scary climate message from past
Saturday, 10 October 2009 13:02 UK; By Richard Black; Environment correspondent, BBC News website A new historical record of carbon dioxide levels suggests current political targets on climate may be “playing with fire”, scientists say. Researchers used ocean sediments to plot CO2 levels back 20 million years. Levels similar to those now commonly regarded as adequate to tackle climate change were associated with sea levels 80 feet to 130 feet. . . CONTINUE
