• Our Work
        • Issues
          • Clean Air
          • Clean Water
          • Species Protection
          • Hazardous Waste
          • Regulatory Challenges
        • Cases
          • Active Cases
          • Resolved Cases
          • Featured Victories
        • Press Room
          • News Articles
          • Press Releases
          • Newsletters
  • About Us
    • About NELC
    • Staff
    • Careers
    • Contact Us
  • Get Involved
    • Donate
    • More Ways to Give
    • Environmental Allies
    • Citizen Enforcement
    • Reach Out
  • Donate
Search

Pennsylvania

Dec 05, 2023 | Press Releases

PennEnvironment, Three Rivers Waterkeeper sue Styropek USA to stop plastic pollution


Clean Water
Oct 03, 2023

PennEnvironment, Inc. and Three Rivers Waterkeeper v. Styropek USA, Inc.


Clean Water
Oct 03, 2023 | Press Releases

PennEnvironment, Three Rivers Waterkeeper announce intent to sue Styropek USA to stop plastic pollution


Clean Water
May 16, 2023

Summer 2023: Vol. 25, No. 2


Clean Air
May 16, 2023 | Newsletter Story

Quick update: NELC attorneys prepare for trial against U.S. Steel (Summer 2023: Vol. 25, No. 2)


Clean Air
May 16, 2023 | Newsletter Story

A closer look at preparations for the U.S. Steel trial (Summer 2023: Vol. 25, No. 2)


Clean Air
Sep 16, 2022 | Newsletter Story

U.S. Steel’s Clairton facility has another major outage as Clean Air Act trial looms (Fall 2022: Vol. 24, No. 3)


Clean Air
Sep 16, 2022

Fall 2022: Vol. 24, No. 3


Clean Air
Jul 16, 2022

Summer 2022: Vol. 24, No. 2


Clean Air
Feb 16, 2022

Winter 2022: Vol. 24, No. 1


Clean Air

Get newsletters directly to your mailbox

NELC publishes a thrice-yearly newsletter with updates on our latest work. As you make a donation to NELC, you can elect to receive hard copies at your mailing address, an electronic version, or both.

Donate

National Environmental Law Center
294 Washington St. Suite 720
Boston, MA 02108
617.422.0880
  • Our Work
    • Issues
    • Cases
    • Press Room
  • About Us
    • About NELC
    • Staff
    • Careers
    • Contact Us
Get Involved

In addition to making a tax-deductible donation, you can help us enforce core environmental laws far into the future by including a gift to NELC in your will, trust, or retirement accounts.

Donate Update Membership
© 2026 National Environmental Law Center