A fully resourced lesson which covers the nuclear disaster of Chernobyl and the impact this had on its surrounding environment. The lesson then goes on to discover “forever chemicals” and the scandal surrounding the DuPont chemical plant and how this contaminated the worlds waters. The lesson has a selection of 3 activities including opportunities for mapwork, note taking and a plenary activity to create an awareness poster. This is lesson 5 of out 7 in a sequence on Ecosystems.