What Is the Right Number to Combat Climate Change?
Monday, November 30, 2009 - 07:07
in Earth & Climate
This December, world leaders will meet in Copenhagen to add more hot air to efforts to combat climate change. That is so because although the impacts humanity would like to avoid--fire, flood and drought, for starters--are clear, the right numbers to halt global warming are not. Despite decades of effort, scientists do not know precisely what temperatures or greenhouse gas concentrations in the atmosphere constitute a danger. [More]