Learning Zone Information within the Learning Zone is provided by a number of organisations and include DEFRA, ARIC, the EPA and the Understanding Energy Group. The information is supplied in pdf format. Some file sizes are up to 2MB so please be patient. Air Quality & The Environment University Student information Key Stage 4 Schools/Teachers information Key Stage 3 Schools/Teachers information Key Stages 2&3 Teachers Pack (pdf) Key Stage 1 Teachers Pack(pdf) Happy Earth Colouring Book (US Version) (pdf) General & Others Energy Matters Energy Efficiency & Environment pack (pdf) Save Your Energy pack (pdf) The Energy Trail (External Site) (pdf)