Guardian: In Africa, food production will be hit by more frequent and more extreme heat waves and droughts if climatic changes continue at their current pace. The new report from the World Bank, Turn Down the Heat: Climate Extremes, Regional Impacts, and the Case for Resilience (pdf) suggests that the worst impacts can be avoided if the temperature rise is kept under 2° Celsius. But a 2°C rise will still see the median yield of all crops fall by 11%, destabilising efforts to alleviate hunger, poverty, and...