One planet. One chance. Our responsibility. This urgent KS2 assembly covers climate change (greenhouse effect explained), plastic pollution, deforestation, and the 5 Rs — with David Attenborough’s story (with photo). Features an Eco Audit stand-up game, an Eco Pledge Wall activity, a quiz, and a no-single-use-plastic challenge. Perfect for World Environment Day (5th June) or Science. Includes full teacher script.