Water scarcity severely impairs food security and economic prosperity in many countries today. Expected future population changes will, in many countries as well as globally, increase the pressure on available water resources. On the supply side, renewable water resources will be affected by projected changes in precipitation patterns, temperature, and other climate variables.

The Indian monsoon is likely to fail more often in the next 200 years, warns this new study by Jacob Schewe and Anders Levermann published in the journal Environmental Research Letters. Says that the monsoon rains could collapse about every fifth year between 2150 and 2200 with continued global warming.