Higher temperatures would be positive for agriculture and forests. He believes that higher temperatures will actually cause sea levels to drop, and wraps up his interview with the cheery optimism that everyone appreciates warmer weather.
Wigley isn't quite as upbeat. He points out that because uncertainty is a built in component of the climate models, it is just as likely that the scientists have erred on the side of caution as it is that they have erred on the side of excess. This means that the effects of global warming could be much worse than what the models predict. His overall concern:
I]t's not so much just the temperature changes, but it's the changes in all other aspects of the environment: amounts of precipitation, the ability for vegetation to maintain its status quo, the amount of waters that's available for agriculture and for water resources, and so on. (Wigley)
In the final analysis, the division between these...
Where the paper once debated policy options -- which reasonably could include doing nothing -- it now uses intellectually deficient arguments riddled with logical fallacies to debate the subject. The tone has gone from one of applying academically-accepted economics to undermine the policy prescriptions for dealing with climate change, an approach that is intellectually honest but hard to follow for those without an economics background, to simplistic arguments that
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