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From The Ground Up - Part One
It's possible to grow plants on only 10% of the surface area on the planet - supporting all life on Earth.
But the world's soil is in very poor shape. So what can be done? Susie Emmett goes in search of the people restoring ruined land.
Βι¶ΉΤΌΕΔ World Service Archive
This programme was restored as part of the World Service archive project
