A Plan to Power 100 Percent of the Planet with Renewables: Scientific American. www.scientificamerican.com

Our plan calls for millions of wind turbines, water machines and solar installations. The numbers are large, but the scale is not an insurmountable hurdle; society has achieved massive transformations before. During World War II, the U.S. retooled automobile factories to produce 300,000 aircraft, and other countries produced 486,000 more. In 1956 the U.S. began building the Interstate Highway System, which after 35 years extended for 47,000 miles, changing commerce and society.

A Plan to Power 100 Percent of the Planet with Renewables: Scientific American

www.scientificamerican.com

Wind, water and solar technologies can provide 100 percent of the world's energy, eliminating all fossil fuels. Here's how