Koppers is Named As One of Newsweek's Most Responsible Companies for 2025
Sustainability Reports
We emphasize sustainability in all we do—from our long-term strategy to our day-to-day responsibilities. These reports provide transparency on our initiatives and highlight an ongoing commitment toward creating a better tomorrow.
Sustainability Report Archive
Browse by year to see how our sustainability efforts have evolved over time. Or simply start with the latest report—it'll give you the latest and most up-to-date picture of the work we do to Protect What Matters and Preserve the Future.
2023 Sustainability Data
View the GRI and SASB data tables from our 2023 Sustainability Report.
Task Force on Climate-related Financial Disclosures (TCFD) Report
Developed by the Financial Stability Board, TCFD is a globally recognized reporting mechanism for disclosing climate-related risks and opportunities.
This report details the company’s progress on climate-related disclosures and strategic plans to mitigate climate risk.