In my opinion this entire sorry episode goes straight to the heart of the difference between the way alarmists like Williamson see the world, and the way normal people view the world. Alarmists seem to want their models, theories and opinions to be accepted as established fact. But the reality is their shaky theories are full of poorly supported conjecture and extrapolation.

Eric Worrall on WUWT, quoted by Dellers who has criticised Williamson's facile alarmism:

Tuesday, 16 September 2014

Climate Alarm Virus Alert: new films starring DiCaprio will spread misinformation to the young

Filmstars often have a great many young fans for whom they can do no wrong.  Those who wish to bombard the young with climate scares can also find them attractive as vehicles for their propaganda, and it seems that a new series of short films starring DeCaprio are to be released with that end in mind.  Here are three extracts from an article in the New York Post by Tom Harris and Bob Carter, two experts in climate studies and in the tricks of the climate-scare trade which they so oppose (I have put one sentence in each extract in bold):

'In the run-up to the Sept. 23 UN Climate Summit in New York, Leonardo DiCaprio is releasing a series of films about the “climate crisis.”
The first is “Carbon,” which tells us the world is threatened by a “carbon monster.” Coal, oil, natural gas and other carbon-based forms of energy are causing dangerous climate change and must be turned off as soon as possible, DiCaprio says.
But he has identified the wrong monster. It is the climate scare itself that is the real threat to civilization.
DiCaprio is an actor, not a scientist; it’s no real surprise that his film is sensationalistic and error-riddled. Other climate-change fantasists, who do have a scientific background, have far less excuse.
Science is never settled, but the current state of “climate change” science is quite clear: There is essentially zero evidence that carbon dioxide from human activities is causing catastrophic climate change.'
'Oregon-based physicist Gordon Fulks sums it up well: “CO2 is said to be responsible for global warming that is not occurring, for accelerated sea-level rise that is not occurring, for net glacial and sea ice melt that is not occurring . . . and for increasing extreme weather that is not occurring.”
  •  According to NASA satellites and all ground-based temperature measurements, global warming ceased in the late 1990s. This when CO2 levels have risen almost 10 percent since 1997. The post-1997 CO2 emissions represent an astonishing 30 percent of all human-related emissions since the Industrial Revolution began. That we’ve seen no warming contradicts all CO2-based climate models upon which global-warming concerns are founded.
  • Rates of sea-level rise remain small and are even slowing, over recent decades averaging about 1 millimeter per year as measured by tide gauges and 2 to 3 mm/year as inferred from “adjusted” satellite data. Again, this is far less than what the alarmists suggested.
  •  Satellites also show that a greater area of Antarctic sea ice exists now than any time since space-based measurements began in 1979. In other words, the ice caps aren’t melting.
  •  A 2012 IPCC report concluded that there has been no significant increase in either the frequency or intensity of extreme weather events in the modern era. The NIPCC 2013 report concluded the same. Yes, Hurricane Sandy was devastating — but it’s not part of any new trend.
The climate scare, Fulks sighs, has “become a sort of societal pathogen that virulently spreads misinformation in tiny packages like a virus.” He’s right — and DiCaprio’s film is just another vector for spreading the virus.'
'Dr. Bjørn Lomborg, director of the Copenhagen Consensus Center, calculates that the European Union’s goal of a 20 percent reduction in CO2 emissions below 1990 levels by 2020, currently the most severe target in the world, will cost almost $100 billion a year by 2020, or more than $7 trillion over the course of this century.
Lomborg, a supporter of the UN’s climate science, notes that this would buy imperceptible improvement: “After spending all that money, we would not even be able to tell the difference.”'
Note added 10 October 2014  A noteworthy video has been made about the contrast between what DiCaprio says and what DiCaprio does:

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