The campaign to convince the public (and their elected representatives) that the "science is settled" began in 1988 or 1989.
The campaign to convince the public (and their elected representatives) that the "science is settled" began in 1988 or 1989.
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By the 2008 elections both candidates for the Presidency of the United States were stating that the problem was real and urgent, suggesting that some form of consensus was emerging at that point.