Episode details
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Agriculture uses two thirds of the world's water but 40% of irrigation is wasted, says Sandra Postel, author of The Last Oasis. How can farmers everywhere can improve water management.
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Available for over a year
Agriculture uses two thirds of the world's water but 40% of irrigation is wasted, says Sandra Postel, author of The Last Oasis. How can farmers everywhere can improve water management.
Programme Website