Later in the day he was forced to defend the UK's efforts to try and get the rest of the world to cut carbon.
The two-page document commits all countries to cutting carbon for the first time.
However most of the developing world and the US remain in voluntary agreements to cut carbon until 2020.
She was backed by China, who also seemed reluctant to cut carbon at home.
They can boost bottom line profits, and cut carbon.
Which were, there is an overwhelming necessity and responsibility to cut carbon.
All have been judged to be effective against the fund's two key objectives of creating growth and cutting carbon.
This is a key component of the government's wider plans to cut carbon.
If it really wants to cut carbon, why is the coalition issuing licences to drill?
And across Government, we are taking the tough action needed to tackle the deficit, support growth, and cut carbon.