Here are the climate-related sections of speeches by MPs during the Commons debate European Union Bill.
Full text: https://hansard.parliament.uk/Commons/2011-02-01/debates/11020142000002/EuropeanUnionBill
17:45 Mr David (Vauxhall) (Lab)
As a further example, at the Cancun UN conference on climate change, we insisted on prior agreement on when the presidency and the Commission would be authorised to represent the position of the member states, and the forms of words that they would use when doing so. We did that in order to safeguard the position that competence remained with the member states and had not been given exclusively to the institutions of the European Union. In the last resort, if we considered that a proposal went beyond the competence of the EU, we would challenge it during the legislative process and, if necessary, at the European Court of Justice.
[Source]
See all Parliamentary Speeches Mentioning Climate
Live feeds of all MPs' climate speeches: Twitter @@VoteClimateBot, Instagram @VoteClimate_UK