By withdrawing from the Paris accord, the United States—the second-largest global emitter—could undercut collective efforts to reduce emissions, transition to renewable energy sources, and lock in fu…

The U.S. abdications of the Covenant of the League of Nations and the Paris climate accords may be remembered as bookends to the American century.

Atmospheric rivers are gaining in intensity across California and the western United States. Communities need to adapt to the havoc wrought by this weather phenomenon.