The Biden administration has unveiled plans to dramatically ramp up the nation’s offshore wind industry to help fulfill U.S. climate pledges. How realistic is the roadmap?

The war in Ukraine has set off a rush in Europe to find alternatives to Russian oil and gas. Some are calling for an expansion of nuclear power.

Climate change is fueling geopolitical competition in the Arctic. An independent Greenland could play an important role in years to come.

The attacks on the sprawling Saudi oil facility bear all the hallmarks of an Iranian operation, marking a dangerous new phase in Gulf tensions.

The United States and its allies have imposed broad economic penalties on Russia over its war in Ukraine. As the conflict continues, experts debate whether the sanctions are working.