Doubling the global share of renewable energy could dramatically decrease worldwide energy pollution, and save up to 4 million lives per year by 2030. According to a new brief published by the International Renewable Energy Agency (IRENA), The True Cost of Fossil Fuels: Saving on the Externalities of Air Pollution and Climate Change, the rapid increase of renewable energy by 2030 could not only save 4 million lives per year, but is also capable of…