Greta Thunberg Joins Hamburg Climate Protest

HAMBURG, GERMANY - MARCH 01: Teenage Swedish activist Greta Thunberg demonstrates with students against global warming at a Fridays for Future demonstration on March 01, 2019 in Hamburg, Germany. Fridays for Future is an international movement of students who, instead of attending their classes, take part in demonstrations demanding for action against climate change. The series of demonstrations began when Thunberg staged such a protest outside the Swedish parliament building. (Photo by Adam Berry/Getty Images)