This is addressed in the article:<p>&gt; The good news is electricity is getting cleaner. Since 2013, the world has been adding more electricity-generating capacity from wind and solar than from coal, natural gas, and oil combined.<p>with a link to: <a href="http:&#x2F;&#x2F;www.bloomberg.com&#x2F;news&#x2F;articles&#x2F;2015-04-14&#x2F;fossil-fuels-just-lost-the-race-against-renewables" rel="nofollow">http:&#x2F;&#x2F;www.bloomberg.com&#x2F;news&#x2F;articles&#x2F;2015-04-14&#x2F;fossil-fue...</a>