Drought in the lowlands, downpours in the low mountain ranges: extreme weather conditions affect Germany differently from region to region. Germany’s southwest, for example, is not heat-resistant. Researchers help Baden-Württemberg municipalities to prepare for the future. Fabian Franke

Hartmut Fünfgeld actually wears shorts and a T-shirt on hot days. Not on this day: On a July evening last year, in a sporty suit, he is standing in the Kurhaus in Bad Krozingen, a small town south of Freiburg. Five-money, lanky, friendly face, holding a microphone. Sitting in front of him are the mayor, representatives of the civil engineering department, the local fire brigade, the local press, and the head of a nursing service. Today is about the future of the city.