global warming does far more damage to poor countries than they do to the climate. In a report in 2006 Nicholas (now Lord) Stern calculated that a 2°C rise in global temperature cost about 1% of world GDP. But the World Bank, in its new World Development Report*, now says the cost to Africa will be more like 4% of GDP and to India, 5%. Even if environmental costs were distributed equally to every person on earth, developing countries would still bear 80% of the burden (because they account for 80% of world population). As it is, they bear an even greater share, though their citizens' carbon footprints are much smaller (see chart 2).
The economist
http://www.economist.com/node/14447171
The economist
http://www.economist.com/node/14447171