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Answer to question 3
Specific details of ecological disasters are given to assert that global
warming is a definite threat to the planet. An assertion is made about the
majority of scientific opinion backing that analysis. In addition, an
argument is made that almost all nations now acknowledge the danger,
although some of the larger nations are dragging their feet in doing
something about reducing emissions. Specific examples of the effect of
global warming are presented to back the argument that is being made.