PARIS (AFP) - The failure to halt climate change, the destruction of nature and other intertwined global crises poses an existential risk to humanity, ten Nobel laureates said Thursday (April 29) following the first-ever Nobel Prize Summit.

Only profound changes in the way society produces, distributes and consumes almost everything - starting with energy - can forestall potentially catastrophic changes, they said in a joint statement, also signed by 20 other top thinkers.