17 May 2011 Updated at 13:15 ET
Chris Huhne briefs MPs on long-term carbon target
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Energy Secretary Chris Huhne: "We intend to keep our carbon trading options open"
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Chris Huhne has committed the UK to halving carbon emissions by 2025, from 1990 levels, and changing the way that the country produces energy.
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http://www.bbc.co.uk/news/uk-politics-13417997