'Game of Thrones' actor talks about taking an 'optimistic' view on climate change

ABC News’ Linsey Davis speaks with actor Nikolaj Coster-Waldau about his new show, "An Optimist’s Guide to The Planet."

For years Nikolaj Coster-Waldau fought with dragons, warriors and even his own family on the HBO hit "Game of Thrones."

But now the Danish actor is going from the fantasy setting to the real-life environmental crisis.

Coster-Waldau's new show, "An Optimist's Guide to the Planet," takes viewers around the world to meet the activists and scientists working to create solutions for environmental problems.

He spoke with ABC News' Linsey Davis about the show that will air on Bloomberg TV starting Feb. 8.