Sustainability Report 2022 (English version)
Sustainability Report 2021 (English version)
Sustainability Report 2020 (English version)
Sustainability Report 2019 (English version)
Sustainability Report 2018 (English version)
Sustainability Report 2018 (German version)
Sustainability Report 2017 (English version)
Sustainability Report 2017 (German version)
Code of Conduct for Business Partners 2021 (Chinese version)
Code of Conduct for Business Partners 2021 (English version)
Code of Conduct for Business Partners 2021 (German version)
Code of Conduct for Business Partners 2021 (Italian version)
Code of Conduct for Business Partners 2021 (Spanish version)
Code of Conduct for Business Partners 2021 (Polish version)
Code of Conduct for Business Partners 2021 (Ukrainian version)
Code of Conduct for Business Partners 2021 (Bulgarian version)
Comparison CCF – PCF (English version)
Comparison CCF – PCF (German version)
History Highlights Environment 2015 (English version)
History Highlights Environment 2015 (German version)
Statement Sustainability 2013+2015 (English version)
Statement Sustainability 2013 & 2015 (German version)
Biologische Stickstoff-Elimination, 24.10.2011 (German version)