Comic Relief founder Richard Curtis plans to engage a fresh generation of schoolchildren in the effort to end extreme poverty and halt climate change. James Blackman explains how In 10 days’ time, almost every school pupil in the world will be simultaneously engaged in an ambitious new plan to save the planet. In a coordinated addendum to normal classes, presented as The World’s Largest Lesson, teachers in all countries will be asked to spread the word to primary and secondary schoolchildren, aged between eight and 14, about the new Global Goals for Sustainable Development. These targets, which launch at the United Nations Sustainable Development Summit in New York on 25 September, follow the 2000-2015 Millennium Development Goals (MDGs), and set a new agenda to end extreme p