Links for 2019-08-01

  • Coal Ash Is More Radioactive Than Nuclear Waste – Scientific American

    I didn’t know this:

    At issue is coal’s content of uranium and thorium, both radioactive elements. They occur in such trace amounts in natural, or “whole,” coal that they aren’t a problem. But when coal is burned into fly ash, uranium and thorium are concentrated at up to 10 times their original levels. Fly ash uranium sometimes leaches into the soil and water surrounding a coal plant, affecting cropland and, in turn, food. People living within a “stack shadow”—the area within a half- to one-mile (0.8- to 1.6-kilometer) radius of a coal plant’s smokestacks—might then ingest small amounts of radiation. Fly ash is also disposed of in landfills and abandoned mines and quarries, posing a potential risk to people living around those areas.
    (via Jamie McCarthy)

    (tags: via:jamiemccarthy coal environment nuclear pollution fly-ash coal-ash safety health)

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