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This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2025. This website is no longer updated and links to external websites and some internal pages may not work. More information »

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Acid Rain

  • Acid Rain Basics

    Learn the basics of acid rain on What is Acid Rain and Effects of Acid Rain.

  • What EPA Is Doing

    Learn about the Acid Rain Program and Acid Rain Program Results.

Acid Rain Basics

A pond with trees
  • What is Acid Rain?
  • Effects of Acid Rain
  • Acid Rain Program
  • Acid Rain Program Results

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Contact Us About Acid Rain to ask a question, provide feedback, or report a problem.
Last updated on January 16, 2025
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