I've been re-reading Tim Flannery's 'The Weather Makers' again so perhaps I'm in a more pessimistic mood than usual. And yes, some places will become more habit

I've been re-reading Tim Flannery's 'The Weather Makers' again so perhaps I'm in a more pessimistic mood than usual. And yes, some places will become more habitable, but it seems fairly clear that these will be fewer in number than the areas that become less habitable. Not only this, but if (for example) all the areas that can currently grow wheat later cannot, but an equally large area subsequently can - we still won't be as well off as we are now due to the switching costs.