Is There Really a Climate Emergency? | 5 Minute Video
October 25, 2021
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5:33Now PlayingIs There Really a Climate Emergency? | 5 Minute Video
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as posted by the channelThe climate is the most complex system on Earth. Is it really possible to project with any precision what it will be like 20, 40, or even 100 years from now? Steve Koonin, former Undersecretary for Science in the Obama Administration, challenges the confident assumptions of climate alarmists.
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Script:
Hubris is a Greek word that means dangerously overconfident. Based on my research, hubris fairly describes our current response to the issue of climate change.
Hereâs what many people believe:
One: The planet is warming catastrophically because of certain human behaviors.
Two: Thanks to powerful computers we can project what the climate will be like 20, 40, or even 100 years from now.
Three: That if we eliminate just one behavior, the burning of fossil fuels, we can prevent the climate from changing for as long we like.
Each of these presumptionsâtogether, the basis of our hubris regarding the changing climateâis either untrue or so far off the mark as to be useless.
Yes, itâs true that the globe is warming, and that humans are exerting a warming influence upon it. But beyond that, to paraphrase a line from the classic movie The Princess Bride, âI do not think âThe Scienceâ says what you think it says.â
For example, government reports state clearly that heat waves in the US are now no more common than they were in 1900.
Hurricane activity is no different than it was a century ago.
Floods have not increased across the globe over more than seventy years.
Greenlandâs ice sheet isnât shrinking any more rapidly today than it was 80 years ago.
Why arenât these reassuring facts better known?
Because the public gets its climate information almost exclusively from the media.
And from a media perspective, fear sells.
âThings arenât that badâ doesnât sell.
Very few people, and that includes journalists who report on climate news, read the actual science. I have. And what the dataâthe hard scienceâfrom the US government and UN Climate reports say is that⌠âthings arenât that bad.â
Nor does the public understand the questionable basis of all catastrophic climate change projections: computer modeling.
Projecting future climate is excruciatingly difficult. Yes, there are human influences, but the climate is complex. Anyone who says that climate models are âjust physicsâ either doesnât understand them or is being deliberately misleading. I should know: I wrote one of the first textbooks on computer modeling.
While modelers base their assumptions upon both fundamental physical laws and observations of the climate, there is still considerable judgment involved. And since different modelers will make different assumptions, results vary widely among different models.
Letâs just take one simple, but significant assumption modelers must make: the impact of clouds on the climate.
Natural fluctuations in the height and coverage of clouds have at least as much of an impact on the flows of sunlight and heat as do human influences. But how can we possibly know global cloud cover say 10, let alone 50 years from now? Obviously, we canât. But to create a climate model, we have to make assumptions. Thatâs a pretty shaky foundation on which to transform the worldâs economy.
By the way, creating more accurate models isnât getting any easier. In fact, the more we learn about the climate system, the more we realize how complex it is.
Rather than admit this complexity, the media, the politicians and a good portion of the climate science community attribute every terrible storm, every flood, every major fire to âclimate change.â Yes, weâve always had these weather events in the past, the narrative goes, but somehow âclimate changeâ is making everything âworse.â
Even if that were true, isnât the relevant question, how much worse? Not to mention that âworseâ is not exactly a scientific term.
And how would we make it better?
For the alarmists, thatâs easy: we get rid of fossil fuels.
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