In the Annual Report 2019, CDE looks back at its 30th anniversary and the role it plays in sustainability science and debates at the international level. Highlights include CDE’s organization in Bern of the Open Science Meeting of the Global Land Programme, as well as the release of the Global Sustainable Development Report, which CDE Director Peter Messerli co-authored and presented to the UN General Assembly in September 2019. CDE was also extensively involved in the founding of the new Wyss Academy for Nature.