Within a few decades rising world temperatures will create food shortages in Sub-Saharan Africa and leave some parts of Asia flooded while other areas will not have enough drinking water. World Bank President Jim Yong Kim says the world must mitigate climate change as he reveals key findings of Turn Down the Heat: Climate Extremes, Regional Impacts, and Case for Resilience, a scientific report on the expected rise of global temperatures by 2 degrees by 2040.