Video filmed in the Canadian Arctic provides graphic evidence of the impact of climate change on polar bears in the region, showing an emaciated animal scrounging for food on ice-free land. The footage was recorded by the conservation group Sea Legacy during a late summer expedition in Baffin Island. 'My entire Sea Legacy team was pushing through their tears and emotions while documenting this dying polar bear,' the photographer Paul Nicklen wrote on social media.

'Soul-crushing' video of starving polar bear exposes climate crisis, experts say