Page - 22 - in Water, Energy, and Environment - A Primer

werenuclearpower at 10%and renewable sources (hydropower, geothermal,wind, solar, tidal) at 25%.SeeFigure 2.7 (17). This pie chart will look quite different in coming decades as coal’s share of electricity production decreases, natural gas’s share increases, nuclear’s share stays flat or decreases, and renewable energy’s share increases significantly. Figure2.7Worldelectricitysupplybysource-2017(Source: International EnergyAgency). Water,Energy, andEnvironment–APrimer22