COP15 is an international biodiversity conference held under the United Nations Convention on Biological Diversity (CBD). COP15 ran from 7 to 19 December 2022 in Montreal, Canada. A key outcome of COP15 was the adoption of the Kunming-Montreal Global Biodiversity Framework. This set out global goals to address ongoing biodiversity loss. This briefing summarises the conference outcomes and the UK’s other work on biodiversity preservation.