U.S. formally exits Paris Climate Agreement

Berlin • The United States on Wednesday formally left the Paris Agreement, a global pact forged five years ago to avert the threat of catastrophic climate change.The move, long threatened by U.S. President Donald Trump and triggered by his administration a year ago, further isolates Washington in the world but has no immediate impact on international efforts to curb global warming.There are 189 countries that remain committed to the 2015 Paris accord, which aims to keep the increase in aver