Each year, as part of its Corporate Responsibility report, Deutsche Telekom publishes a comprehensive declaration of conformity with the German Sustainability Code. The German Sustainability Code aims to make companies' sustainability performance transparent and comparable under a binding framework.
Deutsche Telekom's declarations of conformity can be viewed here.
The German Sustainability Code was approved by the federal government's Council for Sustainable Development. Deutsche Telekom was one of the first companies to accede to the Sustainability Code.