Part of the debate – in Westminster Hall at 3:06 pm on 10 September 2013.
Does my right hon. Friend agree with the point that I was trying to make earlier to Barry Gardiner, who seemed to be unwilling to consider it? If one wishes to establish the impact of human CO2, one needs to understand all the other factors driving climate change, which might be up or down, and be able to quantify them. Otherwise, one cannot calculate the human effect.