Return to 2015 climate agreement comes as Biden administration seeks to re-engage in international organisations.
Return to 2015 climate agreement comes as Biden administration seeks to re-engage in international organisations.
With the United States officially rejoining the Paris climate agreement on Friday, U.S. climate envoy John Kerry said the country..
On his first day as president, Joe Biden signed a letter of acceptance that set in motion the 30-day process for the United States..