Renewable Energy Closing In On Natural Gas As Second-Largest Source Of Electricity Worldwide: Renewable energy will soon beat out natural gas as the second-largest source of electricity worldwide, according to projections from the International Energy Agency. Electricity from solar, wind, hydropower and other renewable sources will increase by 40 percent in the next five years, making up about 25 percent of the world’s energy sources by 2018. Renewables [...]/p