Terrestrial ecosystems are all ecosystems on land. Human activities have many adverse effects on terrestrial ecosystems. We are cutting down forests, contributing to desertification, and massively accelerating biodiversity loss. Biodiversity loss is the decrease in biodiversity, including the variety of different species and ecosystems. In 2019, a comprehensive report was published on the current state of biodiversity and ecosystems by the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES). The report estimated that around 1 million plant and animal species are at risk of extinction. SDG 15 includes targets to, among other things, halt biodiversity loss, sustainably manage forests, and combat desertification. In this video, Professor Céline Louche from Audencia Business School will tell you more about SDG 15.