In contrast to Paul and Anne Ehrlich's view:

Ken Caldeira, in the Q&A after his talk on ocean acidification at this 
year's AGU, expressed his belief, or perhaps it is his faith, that very 
large changes to the earth system far greater than what he had just 
discussed could take place (i.e. "if you sterilized the ocean") and the 
American Middle Class would continue on its way.  "We'd still have Chicken 
McNuggets and TV shows and basically we'd be OK".  

Here is Ken's full 2012 AGU talk on Ocean 
Acidification<http://fallmeeting.agu.org/2012/events/gc44c-special-lecture-in-ocean-acidification-consequences-of-excess-carbon-dioxide-in-the-marine-environment-video-on-demand/>.
 
 The section of the Q&A where he briefly explains his Ocean 
Sterilization/Chicken McNugget theory starts 20 seconds into minute 50.  A 
transcript of that section follows:

Ken Calderia:  "well this is a sort of deep type question - the question 
is, what if reefs disappear, what does that mean, or to summarize... well 
who cares?   And the standard answer is oh that there are vulnerable 
communities of poor people who depend on them [ coral reefs ] for fish and 
nutrients and you know there are numbers of how many hundreds of millions 
of people depend on reefs for their livelihood and tourism and all this 
kind of stuff.  And then there is the other sort of standard answer, oh 
this is a necessary component of the homeostatic earth system and if we 
lose these that humans are the next domino to fall. 

I personally don't believe any of that.* I actually think if you sterilized 
the ocean, yes vulnerable people would be hurt, poor people would be hurt, 
but that we'd still have Chicken McNuggets and TV shows and basically we'd 
be OK*.  And so for me its really this sort of tragedy - and maybe this is 
a middle class American viewpoint but - you've had billions of years of 
evolution producing all this biodiversity and because we want to have - you 
know economists estimate it would cost something like 2% of GDP to 
eliminate carbon dioxide emissions from our energy system, maybe it would 
cost a few percent more of GDP so because we want to be a few percent 
richer we're willing to lose all this, all these ecosystems.  We're willing 
to lose the Arctic ecosystem, we're willing to lose these marine ecosystems 
and to me its a little bit like somebody saying well I have enough money so 
I can run through the Metropolitan Museum and just slash up all the 
paintings....  And so for me being a middle class American who is gonna 
have TV shows and Chicken McNuggets and burgers and things, for me its more 
this kind of ethical kind of thing.  Obviously, if you depend on your 
livelihood for fishing on a reef you're going to have a different 
perspective.  But that's enough of that."



On Wednesday, January 9, 2013 6:50:25 PM UTC-8, andrewjlockley wrote:
>
> Poster's note : discusses GE in the body text.  Great to see such an open 
> discussion of this issue.
>
> http://rspb.royalsocietypublishing.org/content/280/1754/20122845.long
>
> Can a collapse of global civilization be avoided?
>
>
>

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