Renewable energy Puffs of hope Wind and solar energy are increasingly competitive.

 

Renewable energy

Puffs of hope

Wind and solar energy are increasingly competitive. But a lot has to change before they can make a real impact

http://www.economist.com/news/leaders/21660124-wind-and-solar-energy-are-increasingly-competitive-lot-has-change-they-can-make?fsrc=scn/tw/te/pe/ed/PuffsOfHope