Water shortages and a warmer climate could slash the efficiency of power plants in coming decades, meaning developing countries must prepare their power systems to cope, researchers warn.

Using data on water-dependent power plants and climate change projections, scientists demonstrated that fossil fuel plants could see a 30 per cent drop in efficiency by 2070 due to lack of cooling water. This is because river flow in large parts of regions such as Africa, South Asia and South America is projected to drop drastically because of global warming.

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Act Now  to jump directly to a Map: climate change hits electricity production.