https://www.wired.com/story/greta-thunberg-blasts-creative-pr-in-her-climate-speech/ > This story originally appeared on HuffPost and is part of the Climate Desk collaboration. > At a high-level event Wednesday at the United Nations climate summit, Swedish teen climate activist Greta Thunberg slammed world leaders for “misleading” the public with insufficient emission-reduction pledges and dove into the growing science that shows governments must act quickly to prevent catastrophic warming.