Greta Thunberg: A Year to Change the World

Greta and Svante's Atlantic Crossing

Clip: Episode 1 | 5m 2s  | Video has closed captioning.

Greta and Svante sail across the Atlantic Ocean battling turbulent tropical storms to reach the UN climate conference in Madrid. Scientists explain why storms are becoming worse due to global warming and what other effects increased carbon emissions are having on ocean life.