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Last on

Thu 11 Feb 2010 21:00 BBC Radio 4

30 minutes
First broadcast:
Thursday 11 February 2010

Scientists are warning that our planet is fast running out of many essential materials. Dwindling reserves of platinum, copper and phosphorous could create crises in the electronics, medical and farming worlds. There are fears that competition between countries for remaining deposits will result in 'resource wars'.

Materials scientist Mark Miodownik finds out how serious the situation has become and asks what scientists, politicians and economists can do to secure the earth's resources for future generations.


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