This Practice Note provides an overview of the key environmental offences in Scotland across the following areas: water, pollution, waste, public health and conservation. For each offence, it summarises any relevant statutory defences and the maximum penalties applicable. For further guidance on types of sentences that can be imposed in environmental offences and the approach of the Scottish courts to sentencing in such cases, see Practice Note: Sentencing environmental offences in Scotland. The Environmental Authorisations (Scotland) Amendment Regulations 2025, SSI 2025/165, came into force generally on 1 November 2025, with certain provisions taking effect on 1 June 2025. That instrument revoked the Water Environment (Controlled Activities) (Scotland) Regulations 2011, SSI 2011/209 and the Pollution Prevention and Control (Scotland) Regulations 2012, SSI 2012/360. The offences formerly contained in those instruments are now consolidated within the Environmental Authorisations (Scotland) Regulations 2018 (EASR 2018), SSI 2018/219, principally under regulation 69. The Environmental Authorisations (Scotland) Amendment Regulations 2026, SSI 2026/55, in force 26 March 2026, made further amendments to EASR 2018, SSI 2018/219. The Circular Economy