Climate 411

We need to close a mercury pollution loophole for lignite coal plants

(This post was co-authored by EDF attorney Richard Yates)

The Environmental Protection Agency is soon expected to update our national protections against mercury and other toxic pollution from coal-fired power plants – pollution that is extremely dangerous to human health and has been linked to brain damage in children.

EPA proposed strengthening the Mercury and Air Toxics Standards and closing a loophole for lignite coal and is expected to issue its final update soon. EDF has found that, even as we have made great progress in reducing mercury pollution overall, the lignite coal loophole leaves parts of the U.S. at especially high risk.

Mapping Big Mercury Polluters

[(i) The owner/operator of the Comanche plant in Colorado has announced its intention to retire unit 2 by 2025 and unit 3 by 2030; unit 1 retired in 2022. (ii) The owner/operator of the Sherburne County plant in Minnesota has announced its intention to retire unit 1 by 2025 and unit 3 by 2034; unit 2 retired in 2023. (iii) The owner/operator of the Cardinal plant in Ohio has announced its intention to retire unit 3 by 2028; units 1 and 2 have no scheduled retirement dates. (Data: EPA’s Clean Air Markets Program Data; EIA’s 2022 Form EIA-860 Data – Schedule 3)] 

Two years ago, EDF published a map of the top 30 mercury-polluting power plants in 2020 across the United States. We have now refreshed this map based on data from 2022, and you can see the results above.

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