United States Rejoins Paris Climate Deal But Major Challenges Await

The United States is moving to notify other countries it is rejoining the Paris climate deal, reversing former President Donald Trump’s decision to withdraw from the pact but posing challenges for the Biden administration on how to meet the agreement’s goals -- including the possible need for new EPA greenhouse gas rules. President Joe Biden on Jan. 20 signed an executive order returning the United States to the global climate pact, fulfilling his repeated promise during the election campaign to...