Greta Thunberg Prepares to Set Sail for U.N. Climate Talks

The 16-year-old climate activist is crossing the Atlantic to attend a United Nations climate summit. She refuses to fly because aviation has such an enormous carbon footprint.

Greta Thunberg Prepares to Set Sail for U.N. Climate Talks
The 16-year-old climate activist is crossing the Atlantic to attend a United Nations climate summit. She refuses to fly because aviation has such an enormous carbon footprint.