Former German chancellor Helmut Schmidt, that is, not Gavin.
The climate policy adopted by many governments is still in its infancy. The publications provided by an international group of scientists (the Intergovernmental Panel on Climate Change, IPCC) have encountered skepticism, especially since some of their researchers have shown themselves to be fraudsters (Betrüger). In any case, some governments' publicly stated targets are far less scientific, but rather politically endorsed.
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