Nearly one year after the Berlin Declaration on Education for Sustainable Development was adopted by 2,800 education and environment stakeholders from 161 countries at the 2021 UNESCO World Conference on Education for Sustainable Development, UNESCO has published an Explanatory Note on the Berlin Declaration which can be used as a pedagogical tool in educational settings for teachers, educators, learners and all other interested parties. Furthermore, a Brochure on the Berlin Declaration has been published, with the aim of being disseminated to policy-makers in order to spread the message of the Declaration.