Meteorologists never tire of emphasizing that climate change is not just reflected in extreme drought. You speak of extreme weather events, which also include heavy rain and storms, as experienced in North Rhine-Westphalia in mid-July. The pictures of the Wuppertalsperre, which were taken in summer 2020 and 2021, show how extreme these events can be. In 2020 was the dam was still 40 percent full because of the drought in mid-August. This year, the water had to be drained in a controlled manner in mid-July to prevent a tidal wave.