US returns to global climate arena with call to act on 'emergency'

At virtual Global Adaptation summit, John Kerry says we're proud to be back' after four-year absence

The US has returned to international climate action with a focus on helping the most vulnerable on the planet, Joe Biden's climate envoy announced at a global climate summit, promising financial assistance for those afflicted by the impacts of climate breakdown.

John Kerry told world leaders at the virtual Global Adaptation summit on Monday: We're proud to be back. We come back with humility for the absence of the last four years, and we'll do everything in our power to make up for it."