Economic growth goes down when the number of wet days and days with extreme rainfall go up. PIK researchers found that statistically 10 more wet days in a year reduce economic growth of a region by 1%. Rich countries are most severely affected, especially the manufacturing and service sectors. The data analysis of more than 1.500 regions over the past 40 years shows a clear connection and suggests that a rising number of daily rainfall extremes, caused by human-made climate change, will harm the global economy.
