Guardian: It is hard to think of anybody who has a busier diary at the moment than Lord Turner of Ecchinswell, who has found himself advising the government on how to save both capitalism and, between meetings, the planet from climate change. Turner became chairman of the Financial Services Authority in September, on a weekend sandwiched between the collapses of global investment bank Lehman Brothers and UK mortgage lender Bradford & Bingley. Between meetings about the crisis in the …