Doubling renewable energy worldwide could save $740 billion per year

When combining all of the world’s countries, 18 percent of the world’s electricity consumption comes from renewable sources. A global agency estimates that amount could be doubled in a little more than 15...

UN outlines criteria for 2015 climate deal pledges

Governments will have to reveal their planned greenhouse gas cuts, when their emissions will peak, and any adaptation plans by March 2015 as part of a global climate change deal, according to a draft text...