"It has been said that the United States was deceived into entering and expanding the Vietnam War by its own overoptimistic propaganda. The record suggests, however, that the policy-makers stayed in Vietnam not so much because of overly optimistic hopes of winning ... as because of overly pessimistic assessments of the consequences of losing."

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The IPCC (Intergovernmental Panel on Climate Change, a group of more than 2,500 scientists) has provided the world community with first class assessments of the soaring temperatures the world is facing, the devastating impacts of these rises and the ways in which we can try and avoid the worst effects of global warming. We now know climate change is real and the hand of humankind in this warming is becoming clearer and clearer.

— Klaus Topfer