September 22, 2014
Source: The Washington Post — September 19, 2014 | Vivek Wadhwa
Futurist Ray Kurzweil notes that solar power has been doubling every two years for the past 30 years, as costs have been dropping. He says solar energy is only six doublings — or less than 14 years — away from meeting 100 percent of today’s energy needs.
Energy usage will keep increasing, so this is a moving target. But, by Kurzweil’s estimates, inexpensive renewable sources will provide more… read more