In the aftermath of the fifth United Nations Environmental Assembly, UNEP convened, on 3-4 March 2022, a special session called UNEP@50 to commemorate the 50 years since the establishment of the United Nations Environmental Programme in 1972, in Stockholm.  The meeting was held under the theme “Strengthening UNEP for the implementation of the environmental dimension of the 2030 Agenda for Sustainable Development”, providing the opportunity for high-level officials, scientists, academia, and civil society to reflect on the organization’s five decades of engagement into environmental affairs. In this context, the meeting explored how to further strengthen UNEP in the entity’s endeavor to substantially implement the environmental dimension of the sustainable development, thus contributing to the battle against the triple planetary crisis of climate change, biodiversity loss, and pollution.