Climate change:

Zachary King writes: Re. "The science of climate change is only a small part of the discussion" (yesterday, item 4). While I was nodding in agreement with Mr. Sinclair in that Clive Hamilton had gone a wee bit too far off the hyperbole end, that came to a thudding halt at the statement "perhaps it would be cheaper to do nothing and adapt. Perhaps not..." and then the furphy that this has not been modelled.