Do you know the biggest no-brainer in the history of the world? Watch Danish actor and UN Goodwill Ambassador Nikolaj Coster-Waldau unfold the benefits of moving from black to green energy.
Climate crisis activist Emma Lim started a movement called #NoFutureNoChildren prompting teens to say they won’t have kids until the government acts for climate change. NBC News’ Katie Englehart talks to 18-year-old Lim who started the pledge.
