A Message from our CEO A Message from our CSO A Message from our Board Our Response to Covid-19 About Koppers Sustainability Strategy People Planet Performance GRI Content Index
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2020 Sustainability Report

Together Toward Tomorrow.

2018 Sustainability Report

Our Success is Circular

2015 Sustainability Report

Living a Culture of Zero Harm

2014 Sustainability Report

Building Our Shared Future

2013 Sustainability Report

One Team, One World

2012 Sustainability Report

Building for the Future

2012 Executive Summary

Building for the Future

2012 Sustainability Update

Materials That Move the World

2011 Sustainability Report

Our People Make the Difference

2010 Sustainability Report

It Starts with One

2009 Sustainability Report

A Clear Commitment

2008 Sustainability Report

One World