From the North Pole to Antarctica, Lewis Pugh's death-defying swims focus attention on the damaging impact of climate change. Is this a form of activism that works? Show more
Discover 11,128,835 listings and 280,214 playable programmes from the BBC
From the North Pole to Antarctica, Lewis Pugh's death-defying swims focus attention on the damaging impact of climate change. Is this a form of activism that works? Show more