Should World Help Developing Nations Control Carbon Emissions?

As leaders at the G8 Summit today reached a surprising agreement about reducing greenhouse-gas emissions, what about the role of rapidly growing and rapidly polluting, developing countries, such as China and India? China's explosive economy is growing so fast that within twenty-five years, its total carbon dioxide emissions could be double the output of the world's richest nations. Should the economic engines of developing countries be allowed to operate full-steam ahead, putting environmental concerns aside until later? How will economic goals of alleviating poverty be balanced against cutting emissions? As Beijing gets ready for the 2008 Olympics, is it taking steps to curb pollution?