President Joe Biden delivered a speech at the Grand Canyon on Tuesday, aiming to promote his climate policies on the one-year anniversary of the Inflation Reduction Act and to reverse his poor approval ratings, which present a major hurdle in the 2024 presidential election.

Mr. Biden highlighted his administration’s “historic investments” in climate policies and clean energy. He also announced the creation of a new national monument surrounding Grand Canyon National Park, which will protect roughly 1 million acres and limit uranium mining. It will be the president’s fifth new national monument.