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.
Topics by letter
H
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How we regulate
We regulate activities to protect and improve Scotland’s environment. Find out about our approach to regulation, activities we regulate, and further guidance for businesses.
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Hydrogen
Hydrogen can help decarbonise the energy system, bringing us closer to net zero. Find out about hydrogen production, regulations and the action plan for Scotland.