Some worrisome news from the Economist on global warming: “On October 19th, the International Energy Agency reported that doubling world GDP by 2040 would require only a small rise in energy demand if everyone adopted strict standards, like Japan’s for vehicle-fuel efficiency. … [According to their logic,] higher efficiency means less fossil fuel must be burned—and less planet-cooking gas belched—to power the global economy. But some economists are not so sure. [In] ... Read More