Right now, the U.S. and China are by far the world leaders in the emission of CO2 and other greenhouse gases.
But as the population shifts over the next 20 years, what will climate-changing emissions look like? Will the rise in population across Africa shift the burden of reducing greenhouse gases to the global south?
No, is the answer to that last one. But to sink a few hours into pointing at nations around the globe, checking their population and emissions projections, see the interactive map at NPR.