Fossil fuels, after all, are an early first industrial revolution, 19th century technology. But we are now applying nanotechnology to the design of renewable energy technologies such as solar energy.

As a result, the cost per watt of solar energy is coming down rapidly and the total amount of solar energy is growing exponentially. It has in fact been doubling every two years for the past 20 years and is now only eight doublings away from meeting all of the world’s energy needs.

Source: NYDailyNews