Teen activist Greta Thunberg urges US lawmakers to 'listen to the scientists' l ABC News  ABC NewsStudents and labor activists to rally downtown Friday to back international climate strike, Amazon walkout  Chicago TribuneGreta Thunberg and George Monbiot make short film on the climate crisis  Guardian News"Unite Behind Science, Take Real Action": Climate Activist Greta Thunberg  NDTV NewsYoung climate activists testify on Capitol Hill ahead of U.N. Climate Action Summit  CBS NewsView full coverage on Google News