4:12ABC NewsClimate ChangeSeptember 20, 2019Youth around the world walk for climate changeClimate activists around the world participate in march advocating for climate change.Up Next in newsThousands of young activists to march in Global Climate StrikeSeptember 20, 2019Estimated 300,000 protesters gather in Australia for climate change rallySeptember 20, 2019It’s Morning, America: Friday, Sept. 20, 2019September 20, 2019