Greta Thunberg urges world leaders in Davos to tackle climate change

Swedish climate activist Greta Thunberg told policymakers that time is running out to effectively tackle the climate crisis. Her comments come as policymakers and business leaders arrive in Davos, Switzerland for the start of the World Economis Forum. It follows the hottest year on record for the world's oceans, the second-hottest year for global average temperatures, and wildfires from the U.S. to the Amazon to Australia.
Tue, Jan 21 20209:31 AM EST