GLOBAL WARMING = GLOBAL B.S.

When future generations look back on the global-warming scare of the past 30 years, nothing will shock them more than the extent to which the official temperature records – on which the entire panic ultimately rested – were systematically “adjusted” to show the Earth as having warmed much more than the actual data justified.

One of the first examples of these “adjustments” was exposed in 2007 by the statistician Steve McIntyre, when he discovered a paper published in 1987 by James Hansen, the scientist (later turned fanatical climate activist) who for many years ran Giss Hansen’s original graph showed temperatures in the Arctic as having been much higher around 1940 than at any time since.  But as Homewood reveals in his blog post, “Temperature adjustments transform Arctic history”, Giss has turned this upside down.  Arctic temperatures from that time have been lowered so much that that they are now dwarfed by those of the past 20 years.

Homewood’s interest in the Arctic is partly because the “vanishing” of its polar ice (and the polar bears) has become such a poster-child for those trying to persuade us that we are threatened by runaway warming.  But he chose that particular stretch of the Arctic because it is where ice is affected by warmer water brought in by cyclical shifts in a major Atlantic current – this last peaked at just the time 75 years ago when Arctic ice retreated even further than it has done recently.  The ice-melt is not caused by rising global temperatures at all. 

Of much more serious significance, however, is the way this wholesale manipulation of the official temperature record – for reasons GHCN and Giss have never plausibly explained – has become the real elephant in the room of the greatest and most costly scare the world has known.  This really does begin to look like one of the greatest scientific scandals of all time.

SOURCE: http://www.telegraph.co.uk/news/earth/environment/globalwarming/11395516/The-fiddling-with-temperature-data-is-the-biggest-science-scandal-ever.html

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