National Public Radio: The United Nations negotiations in Warsaw over a climate treaty are moving at a glacial speed - and that's in part because there's a fundamental problem.
In the coming decades, carbon dioxide emissions from China, India and other rapidly developing countries are expected to grow rapidly. Residents there aspire to lifestyles Americans and Europeans enjoy today, and those nations aren't willing to slash emissions, because doing so could slow their rapid economic growth.
With carbon dioxide on...