8 May 2012 Updated at 05:17 ET
Environment Agency head Lord Smith supports fracking expansion
Lord Smith is expected to say that the environmental risks of fracking may be overcome
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The chairman of the Environment Agency, Lord Smith, has given his support to the expansion of the controversial "fracking" method of extracting natural gas from shale rock in the UK.
link-
http://www.bbc.co.uk/news/uk-17987356