| Year | Title | Language |
|---|---|---|
| 2022 | Sustainability Report | DE / EN |
| 2022 | Carbon Footprint 2022 | DE / EN |
| 2022 | Compensation certificate myclimate | DE / EN |
| 2021 | Sustainability Report | DE / EN |
| 2021 | Greenhouse gas balance myclimate | DE / EN |
| 2021 | Compensation certificate myclimate | DE / EN |
| 2020 | Greenhouse gas balance myclimate | DE |
| 2020 | Compensation certificate myclimate | DE |