TOPSHOT - Swedish climate activist Greta Thunberg (Bottom C) and German climate activist Luisa Marie Neubauer (Center R) attend the "Fridays for Future" demonstration for a better climate policy in Berlin on March 29, 2019. - Since December last year, teenagers across Germany inspired by the 16-year-old Thunberg's climate fight have been marching weekly instead of sitting in classes. (Photo by Tobias SCHWARZ / AFP) (Photo credit should read TOBIAS SCHWARZ/AFP/Getty Images)
