Children need new skills if they are to become part of the solution to challenges such as climate change rather than part of the problem. So states the UK's National Framework for Sustainable Schools. Skills include expressing points of view, weighing up evidence, cooperating, thinking critically, tackling real problems, participating in decisions, and making informed choices. Pupils taking part in Science Across the World (SAW) have opportunities to develop these skills and behaviours that enable them to make positive contributions to the Sustainable Schools agenda. In this article, the author explores how pupils enjoy sharing their learning with others from all over the world when they take part in ASE's award-winning SAW programme. (Contains 3 online resources.)