The summer sun is causing temperatures to rise throughout Central Europe. For nature, the 'ripening season' is now gradually beginning. In this ripening period, summer brings not only warm temperatures and lots of sun, but also a lot of work for the protagonists. The sun burns almost incessantly in the coming weeks and months and the summer reaches its peak. However, the sweltering heat can also cause danger in many places ... - Summer thunderstorms can endanger the harvest with storms and hailstorms. That's why Frank Kasparek from the hail defense in the Rems-Murr district near Stuttgart fights the threat of hailstorms with the airplane already in the thunderclouds. - In Saxony-Anhalt, a group of researchers led by Bernd Ohlendorf is searching for a rare species of bat, the mouse-eared bat, and off the North Sea coast, Claas Bruhns and Mark Kruse go crabbing ...