A to Z of topics

Explore SEPA’s A–Z list of topics about areas we regulate, guidance we provide, and public information we share. The list includes environmental regulations, compliance advice, and resources for communities and businesses.

Looking for a specific topic? Browse alphabetically, or select a category to filter the results.

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  • Air

    SEPA regulates emissions, permits, and high-risk activities to protect the environment. Find out what authorisations operators need, and how to stay compliant.

  • Airborne Hazards Emergency Response (AHER)

    AHER ensures that we manage risks from air pollution during major incidents. Find out about who is involved and how we assess the situation, respond, and monitor air quality.

  • Agriculture

    To protect the environment, SEPA regulates agricultural activities, monitors land use and promotes sustainable land management. Find out more about how we regulate agriculture in Scotland.

  • Aquaculture

    Aquaculture is the growing of finfish and shellfish. We regulate Scottish aquaculture to protect the marine environment and make sure the industry meets environmental standards.

  • Authorisations

    Explore what authorisations and registrations your business may need to operate legally and responsibly, including the new Environmental Authorisation (Scotland) Regulations.