Future changes in rainfall distribution will affect 3 billion people. The Mediterranean basin region will be one of the regions where rainfall will decline the most by the end of the current century.
regions near the poles and the tropical regions in Africa and Asia will be more humid. In total, the areas facing changes in precipitation due to global warming will cover a third of the land, affecting 38% of the world’s population according to moderate scenarios that expect emissions to be reduced to about half of 2050.