As the Fridays for Future demonstrations clearly show, climate change is one of the most important topics of today, especially for teenagers. However, it is not enough to get informed, take part in school strikes and talk about the causes and effects of global warming. What is needed is action. And everybody can do a lot to minimise their personal carbon dioxide footprint. The question is, what are we actually willing to do? Are we ready to change our habits and sacrifice some of our luxuries to save the planet? With the help of video climate-challenges we are trying to find out and make a difference. Because there is no Planet B!