BERLIN – World leaders breathed an audible sigh of relief that the United States under President Joe Biden is rejoining the global effort to curb climate change, a cause that his predecessor had shunned.British Prime Minister Boris Johnson and French President Emmanuel Macron were among those welcoming Biden's decision to rejoin the the Paris climate accord, reversing a key Trump policy in the first hours of his presidency Wednesday. “Rejoining the Paris Agreement is hugely positive news,” Johnson wrote on Twitter.
Britain, which is hosting this year's U.N. climate summit, looked forward to working with the Biden administration on the issue, he said.Macron likewise tweeted his joy at the U.S.