“A climate hawk promise to simply try for a third time to participate in the Paris Agreement without any new gains for the United States would be folly.” There’s an old saying in foreign ...

When President Biden took office four years ago, he sought to reassure global allies and reestablish foreign treaties from which the Trump administration had withdrawn.

President Vladimir V. Putin of Russia praised President ... States to withdraw from the World Health Organization and the Paris Agreement, a U.N. climate pact. Mr. Ushakov, the Kremlin aide ...

The United States and Russia have pledged their readiness to resume nuclear disarmament talks after years of confrontation, ...