Guardian: The perfect average temperature for national economic success is 13C (55.4F), academics have discovered.
But the fundamental link they have revealed between a countrys economy and its temperature has led them to warn that the costs of unchecked climate change will be many times worse than previously thought.
The new analysis has stark repercussions, according to one independent expert, and indicates that all economic activity in all kinds of countries is affected. It estimates that the average...