Rain is actually good for nature, but too much rain can also end in a storm disaster like the one in July 2021.
After the storm disaster on the Ahr, it is time to ask how much of the disaster was homemade. Urban planners and scientists, at any rate, have predicted such consequences of climate change. For years, they have been pleading for more space for the rising water masses due to rain and floods and not to seal the soil, i.e. also to designate less building land in valleys and near rivers.
https://www.swrfernsehen.de/landesschau-rp/gutzuwissen/diese-folgen-hat-starkregen-100.html