Coal is clinging to the top spot in power generation, accounting for as much of the world’s electricity as it did two decades ago, despite heightened concerns about climate change and a slowdown in financing for projects involving the dirtiest of fossil fuels.

U.S. exports of coal more than doubled in 2017 and are set to grow this year, according to the Energy Information Administration. Countries across Asia and Africa are expected to increase their use of coal for expanding power generation through 2040, says the EIA.

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