Supreme Court limits EPA authority to set climate standards for power plants

The U.S. Supreme Court on Thursday limited the Environmental Protection Agency’s authority to set standards on climate-changing greenhouse gas emissions for existing power plants.

In its 6-3 ruling, the court said that only Congress, not the EPA, has the power to create a broad system of cap-and-trade regulations to limit emissions from existing power plants in a bid to transition away from coal to renewable energy sources.

The decision is a…