Welcome to the new Koppers website.

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.