PMQs: Cameron and Miliband on climate change claims
26 February 2014 Last updated at 13:24 GMT
Ed Miliband called on the prime minister for "the truth" about climate change as he reminded him of previous claims while in opposition.
And Ed Miliband asked David Cameron if he was happy to have "climate change deniers in his government".
Mr Cameron claimed his government has cut carbon emissions. and thanked the Labour leader for praising his "excellent record", before he accused Mr Miliband of only being able to "deliver hot air".