Amanpour: Henk Ovink, Katharine Hayhoe, Joey Zwillinger and S. James Gates

Henk Ovink, Dutch special envoy for International Water Affairs, joins Christiane Amanpour to discuss the extreme flooding in Venice; the worst it has ever experienced. Katharine Hayhoe, atmospheric scientist, also weighs in on the climate crisis causing natural disasters around the world like the flooding in Venice, fires in California and smog in India. Joey Zwillinger, co-CEO of shoe company Allbirds, talks about developing his innovative and sustainable shoe brand. Our Walter Isaacson, sits down with Sylvester James Gates, professor and theoretical physicist, to reflect on co-writing, "Proving Einstein Right". He explores how scientists proved Einstein's ground-breaking theory of relativity all those years ago.

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