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Author Topic: Pollution  (Read 15769 times)

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AGelbert

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Re: Pollution
« Reply #540 on: July 12, 2017, 03:06:53 pm »
Agelbert NOTE: The Sixth Mass Extinction is here, no matter how much wishful thinkers deny it!


“As scientists we have a responsibility to be accurate about such comparisons.”

Like all extinction events, so far this one has been phased and complex, spanning tens of thousands of years and starting when our kind left Africa. Other mass extinctions buried deep in earth’s history have similarly played out over tens of thousands, even hundreds of thousands of years. To future geologists, then, the huge wave of extinctions a few thousand years ago as First Peoples spread out into new continents and remote archipelagoes will be all but indistinguishable from the current wave of destruction loosed by modernity and its growing appetites. Surely we’ve earned our place in the pantheon next to the greatest ecological catastrophes of all time: the so-called Big Five mass extinctions of earth history. Surely our Anthropocene extinction can confidently take its place next to the juggernauts of deep time—the Ordovician, Devonian, Permian, Triassic and Cretaceous extinctions.

Erwin says no. He thinks it’s junk science.

“Many of those making facile comparisons between the current situation and past mass extinctions don’t have a clue about the difference in the nature of the data, much less how truly awful the mass extinctions recorded in the marine fossil record actually were,” he wrote me in an email. “It is absolutely critical to recognize that I am NOT claiming that humans haven’t done great damage to marine and terrestrial [ecosystems], nor that many extinctions have not occurred and more will certainly occur in the near future. But I do think that as scientists we have a responsibility to be accurate about such comparisons.”

I had a chance to sit down with Erwin after his talk at the annual geology conference. My first question—about a rumor I had heard from one of his colleagues that Erwin had served as a sort of mass extinction consultant to Cormac McCarthy while the notoriously secretive author was constructing the post-apocalyptic world of The Road—Erwin coyly evaded. But on the speculative sixth mass extinction, he was more forthcoming.

“If we’re really in a mass extinction—if we’re in the [End- Permian mass extinction 252 million years ago]—go get a case of scotch,” he said.

If his power-grid analogy is correct, then trying to stop a mass extinction after it’s started would be a little like calling for a building’s preservation while it’s imploding.


“People who claim we’re in the sixth mass extinction don’t understand enough about mass extinctions to understand the logical flaw in their argument,” he said.  “To a certain extent they’re claiming it as a way of frightening people into action, when in fact, if it’s actually true we’re in a sixth mass extinction, then there’s no point in conservation biology.”   

“The only hope we have in the future,” Erwin said, “is if we’re not in a mass extinction event.”

https://www.theatlantic.com/science/archive/2017/06/the-ends-of-the-world/529545/?single_page=true

 


Erwin is wrong. We ARE in the Sixth Mass Extinction. The evidence is overwhelming, and can't be ignored with pejorative descrptive adjectives like "facile" to describe the serious scientific research that proves we are in the Sixth Mass Extinction.


Wishful thinking
is the flaw in Erwin's argument (see Erwin having his morning coffee below:).


Erwin is CLEARLY ignorant (or in willful denial) of the following empirically obtained, irrefutable scientific evidence:

Industrial civilization has BOTH exceeded the maximum upper margin of the GHG (Greenhouse Gases) band by a huge margin AND has done it at a rate far above the ability of most complex non-microscopic organisms to adapt to these violent changes. Mammalian vertebrates, among the complex organisms on Earth, are the least able to adapt to rapid GHG concentration changes.

Hope deferred maketh the heart sick: but when the desire cometh, it is a tree of life. Pr. 13:12

 

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