 In March 2009 , while Secretary of State for Energy and Climate Change , Miliband attended the UK premiere of climate @-@ change film The Age of Stupid , where he was ambushed by actor Pete Postlethwaite , who threatened to return his OBE and vote for any party other than Labour if the Kingsnorth coal @-@ fired power station were to be given the go @-@ ahead by the government . A month later , Miliband announced to the House of Commons a change to the government 's policy on coal @-@ fired power stations , saying that any potential new coal @-@ fired power stations would be unable to receive government consent unless they could demonstrate that they would be able to effectively capture and bury 25 % of the emissions they produce immediately , with a view to seeing that rise to 100 % of emissions by 2025 . This , a government source told the Guardian , effectively represented " a complete rewrite of UK energy policy for the future " . 
