Jonathon Porritt has been a leader of the environmental movement in the United Kingdom for more than thirty years. He's a former director of Friends of the Earth, and until recently was Chairman of the British Government's Sustainable Development Commission. The Guardian newspaper in London has called him "the most influential green thinker of his generation." In this documentary produced for the BBC World Service, Jonathon Porritt looks at China's response to the challenge of climate change.

Water dominates the agenda in China, as it sees its deserts expand, and its water tables shrink. Environmentalist Jonathon Porritt examines China’s efforts to boost water availability – and water quality.


Listen to another documentary in this series, in which Edward Stourton explores the evolving acceptance of climate change during the last decade.