The Economist: “America’s Supreme Court is on a roll. After a week in which it scrapped women’s constitutional right to an abortion and gave an expansive interpretation of gun rights, it has issued yet another momentous ruling—one that will have far-reaching consequences for the government’s ability to curb the greenhouse-gas emissions that are heating the planet.” “On June 30th, in West Virginia v Environmental Protection Agency, the court sharply limited the epa’s power to regulate the millions of tonnes of greenhouse gases discharged by coal-burning power plants each year.