This article outlines why sustainable development matters for children and young people, and explores the relevant policy context in England and the UK. It asks whether enough is being carried out by central government to secure a more sustainable future for, and with, today's children. More is needed at the national policy level to: embed sustainable living principles within a range of policy frameworks affecting children and young people; provide a clear strategy for empowering children and young people to lead change and take action on climate change and environmental issues; and address the impact of environmental degradation on disadvantaged groups of children and young people.