This Practice Note pulls out the key environmental provisions in the EU-UK Trade and Cooperation Agreement (TCA), agreed on 24 December 2020. This includes looking at provisions on climate change and neutrality, level playing field, non-regresssion, energy, sustainable development, allocation of environmental enforcement resources, carbon pricing, cross border pollution, multilateral environmental governance, renewable energy, biological diversity, conserving and sustainably managing marine biological resources, the importance of responsible management of supply chains through responsible business conduct and corporate social responsibility practices, sustainable forest management and fisheries. It provides links to further content on the TCA more generally, as well as scrutiny of the environmental provisions. It also provides some further commentary on non-regression, and details of the bespoke dispute procedure.