Photo Gallery: Saving the Planet 08/01/2019
 Participants at the June 21 Fridays for Future demonstration in Aachen,...
Marcel Kusch/ picture alliance/ dpa

Participants at the June 21 Fridays for Future demonstration in Aachen, Germany: The climate protection movement launched by Swedish teenage activist Greta Thunberg last August has grown into a global phenomenon. It has become particularly popular in Germany, where tens of thousands of students skip classes each Friday to protest against global warming.