Greenhouse gases partially reflect the Earth‘s outgoing infrared radiation and contribute to the warming of the atmosphere, the Earth‘s surface and the oceans through the greenhouse effect. This is clearly visible in the temperature trends in South Tyrol. Since the 1960s, the average annual temperature has risen by 1.5 degrees. In Bozen/Bolzano and Brixen/Bressanone, summer temperatures have risen by as much as three degrees. These changes are also reflected in an increase in tropical nights and a decrease in frost days. The changes in temperature are accompanied by changes in the distribution and intensity of precipitation throughout the year. In particular, heavy precipitation events, often associated with thunderstorms, can cause significant damage.