Can nature help us to store carbon?

Around the world, scientists and entrepreneurs are pouring billions into researching new ways of storing carbon dioxide. We look at a scheme in India to put CO2 in rocks and research in the UK using kelp. Will either of them be effective?

Host Graihagh Jackson dives into the waters off Britain's southern coast to find out more about the magical powers of kelp, while Chhavi Sachdev visits a tea plantation in Darjeeling which is hoping to diversify into carbon sequestration.

Contributors:

Shrey Agarwal, CEO, Alt Carbon.

Dr Steve Smith, Arnell Associate Professor of Greenhouse Gas Removal, Oxford University.

Dr Ray Ward, Queen Mary University of London. Carbon sequestration lead, Sussex Kelp Recovery Project.

Presenter: Graihagh Jackson

Reporter in India: Chhavi Sachdev

Producer: Diane Richardson

Production co-ordinator: Brenda Brown

Sound Mix: Tom Brignell

Editor: Simon Watts

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