In his latest climate change 101, Jordan Dunbar looks at the world's success stories. These include the rise of renewable energy, greener urban planning and deep - if insufficient - cuts in carbon emissions. His guest is Dr Caterina Brandmayr, Director of Policy and Translation, Grantham Institute for Climate Change and the Environment, Imperial College London.

Presenter and Producer: Jordan Dunbar

Researchers: Octavia Woodward and Tsogzolmaa Shofyor

Sound Design: Tom Brignell

Editor: Simon Watts

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