NO, NO, NO!
Nigel Lawson was never an AGW supporter. He is the author of the book " An Appeal to Reason: A Cool Look at Global Warming", where he argues that even if there is warming it will have at most moderate effects, and criticises alarmist scientists and politicians. In 2004 Lawson criticised the Kyoto protocol and claimed a that there were substantial scientific uncertainties surrounding climate change. In a 2005 committee report (with Lawson as one of the members) from the House of Lords the objectivity of the IPCC was put in question.
Lawson is a good egg "climate wise" and he is also the father of Nigella Lawson(!) :
