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Author Topic: You will have to pick a side. There is no longer Room for Procrastination  (Read 6204 times)

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Survey Shows Strength of Climate Science

One of the first peer-reviewed surveys of scientists used to determine the level of consensus on human-made climate change was undertaken by Dennis Bran and Hans von Storch in 1996. They used a standard survey response format known as the “Likert Scale,” where respondents answer questions based on a scale of 1 to 7 to determine, for example, how confident they are that warming is happening or that it’s human-caused.

They’ve repeated the survey a few times since 1996, and have recently released the 5th International Survey of Climate Scientists, for 2015/2016. Bart Verheggen helpfully goes over the key consensus findings as well as a couple of issues with the survey.

Because of the Likert Scale response format, though, describing the findings in numbers isn’t as effective as just looking at the graphs of responses. In many cases, the responses are so lopsided that some very clear statements can be made.

We can see that, as science has progressed, the level of risk associated with climate change has increased as has what’s at stake. In contrast to folks like Judith Curry who play up uncertainty as an excuse for inaction, the majority of scientists think that since 1996, climate science uncertainty has dropped.

Meanwhile, if society were to listen to voices highlighting uncertainty, and fail to act because of them, the potential for catastrophe for some parts of the world is fairly great.

To the point of the GOP AGs suggesting that Gore and others could be held responsible for exaggerating climate risks, scientists clearly think sea level rise will be just as bad as we thought five years ago, if not worse. The same can be said for other negative impacts. Over the last five years, the urgency to act on climate change has grown.

As for the public, scientists clearly think they should be told to be worried as we are already starting to experience the impacts of climate change. For example, they agree that the frequency of extreme events is increasing, as well as the intensity of those events, and the probability that those extreme events occur. Scientists expect these extreme events to become more powerful, tropical storms to get more intense, and certainly not any less frequent. Heat waves over the last 20 years are growing more intense as well as more frequent.

Most importantly, an overwhelming majority of scientists are convinced that climate change poses a serious and dangerous threat to humanity, with only 2% responding that they’re not at all convinced. Again, with the Likert scale it’s a bit difficult to put simply. Assuming a 4 out of 7 is the midway point between “not at all” concerned and "very much" concerned, 8% of respondents fell between 1 and 3, 5.667% right in the middle at 4, and 85.74% between 5 and 7.

So, deniers claiming the science is still too uncertain to take action or that the public shouldn’t be worried need to take heed of this survey (like they have in the past, if even just to spin it) and accept that they’re a fringe minority at odds with an overwhelming consensus. That’s the facts, whether they Likert or not.


Agelbert NOTE: SAMPLE of DIRECT QUOTES from a fellow named Alan that Ashvin found "reasonable":

I don't know enough about the climate issue. But I've been reading about it sporadically for 25+ years, and from everything I can gather, the scientists doing the analyses and projections are quite fallible, do not necessarily understand with such certainty the things they claim to understand, and cannot, in the end, be taken quite AS seriously as you seem to be taking them.

The environmental harm of something must be weighed against benefits or desirable effects.

the Doom overreactions and the propaganda spewing are two sides of a counterfeit coin. Neither one reflect reality and are counter-productive to real progress.

All the above represent denier methods of temporizing, creating false equivalences and ignoring the FACT that dirty energy ENVIRONMENTAL HARM is greater that the alleged benefits.

Alan brought up a lot of the other denier happy talk about "greening the planet with more CO2" (which I countered and he ignored) while he refused to even consider the danger the sixth mass extinction represents to humanity and the biosphere as a cause for rejection of incremental reforms in favor of the drastic government funded action climate scientists advocate.

In short, both Alan and Ashvin are world class foot draggers that ridicule, disdain and disparage the action recommended by 97% of climate scientists as "extremist".

IOW, from Alan or Ashvin, do not expect intellectual honesty. What you can expect is  verbal goal post moving and a barrage of ridicule, derision and defamatory 'attack the messenger' type invective, along with continuous mendacity filled attempts to undermine the seriousness of the validity of the climate change threat. 
Rob not the poor, because he is poor: neither oppress the afflicted in the gate:
For the Lord will plead their cause, and spoil the soul of those that spoiled them. Pr. 22:22-23


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