Rising sea levels, disappearing mountain glaciers, more hot days in summer, even in northern Germany: climate change is happening and has moved to the centre of the political debate, thanks in part to the Fridays for Future movement. At the University of Oldenburg, researchers from a wide range of disciplines have been working for many years on the consequences of global warming for ecosystems and people and on the question of how we can adapt in the future. We present a selection of projects here - from polar research and coastal protection to communication about the climate.