Ways to save the planet: Swap concrete for wood - a podcast by BBC World Service

Wood is strong enough to build skyscrapers, and bamboo - the fastest growing plant in the world - can also be used for building. Both suck up large amounts of greenhouse gas. We find out what would happen if we used these materials instead of concrete in construction.Produced and presented by Jo Mathys and Tom Heap.
Picture: Moelven

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