WHAT CHEAP ENERGY WILL MEAN: An era of abundance looms. Will we use it wisely?

摘要

There is much pessimism about clean energy, particularly now that oil prices have dropped. Skeptics argue that solar, for example, barely supplies 1 percent of the world's energy needs - after decades of development. They say that it is inefficient, too expensive to install, and unreliable, and will fail without government subsidies.