In preparation for their convention this month, Democrats are taking aim at so-called “climate deniers.” Lending a hand is the father of the long disputed “hockey stick” global-temperature graph, who now says facts no longer are necessary to substantiate the climate change story line.

People can simply see the outcome of man-made emissions, says Michael Mann, director of the Earth System Science Center at Penn State.

Climate models “increasingly are unnecessary,” says the climate researcher, because the manifestations of climate change are “playing out in real time.” Would these be the same climate models used by the United Nations Intergovernmental Panel on Climate Change, which have been consistently wrong?

Mr. Mann, who has sued a number of his critics for defamation, this spring acknowledged the early 2000 “warming slowdown.” He now says that climate change is obvious in hurricanes, flooding and droughts in different parts of the United States.

But just last year the NASA Goddard Institute for Space Studies reported that the nine-year reduction in Category 3 hurricanes, starting in 2006, beat the previous record of eight years in 1861-68. Wouldn’t that suggest that temperature patterns are cyclical rather than influenced by human activity?

Climate data can be so troublesome when facts doesn’t comport with a political party’s platform — or “science” that is far from “settled.”


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