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UK floods: What can the UK do to prevent flooding?

30 January 2014 Last updated at 22:47 GMT

With parts of the UK continuing to suffer the aftermath of the most severe winter floods in years, attention has focused on how flooding can be prevented or alleviated.

Parts of England have had their wettest January since records began more than 100 years ago, with three days left in the month.

Science editor David Shukman looks at the most effective flood prevention measures - and their costs.

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