Portside

Living ecosystems like forests, mangroves, swamps and seabeds can pull enormous quantities of carbon from the air and store them safely, but natural climate solutions currently receive only 2% of the funding spent on cutting emissions. The film’s director, Tom Mustill of Gripping Films, said: 'We tried to make the film have the tiniest environmental impact possible.'

Teenage climate activist Greta Thunberg arrived in New York City on Wednesday after sailing across the Atlantic Ocean to call attention to the need for quick action to save the planet.