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Re: [Livingontheland] Two-degree target may still cause catastrophic sea level rise

From: dhondt <dhondt@eircom.net>
To: Healthy soil and sustainable growing <livingontheland@lists.ibiblio.org>
Subject: Re: [Livingontheland] Two-degree target may still cause catastrophic sea level rise
Date: Wed, 22 Jul 2015 00:52:54 +0100

One of the problems with these long range predictions is that they don't take enough account of positive feed back loops Paul. When sea ice melts the exposed water takes up a lot more heath than the ice ever did. And in many permafrost places methane is belching up in enormous quantities.

There was an article in Arctic News a good year ago with good scientific math explaining that the Northern hemisphere could have an extermination event in 15 years time. The Southern hemisphere would have the same 20 years later. I have seen nothing yet that might have me think this to be untrue.
I'm sure we will find out what the truth is in time.
John

On 21/07/15 22:37, herb farmer wrote:

55AEBBA3.3050201@lobo.net" type="cite">
Hansen et al actually did make it far more urgent:

Earth’s Most Famous Climate Scientist Issues Bombshell Sea Level Warning - 10 feet+ in as little as 50 years
http://www.slate.com/blogs/the_slatest/2015/07/20/sea_level_study_james_hansen_issues_dire_climate_warning.html?wpsrc=fol_tw

The point I'm stressing is the new role of "Regenerative Agriculture". Heavily documented.
https://www.organicconsumers.org/news/regenerative-agriculture-annotated-bibliography

It's not just about food security in a warming world; it's also about the only feasible way for for stopping or reversing rise of CO2 & global warming disaster. OR it COULD have been.

-----------

On 7/21/2015 1:04 PM, dhondt wrote:
55AE97BD.90900@eircom.net" type="cite"> Unfortunately by 2100 means not in our life time or even that of our children meaning no rush for almost all people. I think there is a fair chance we and not just the polar bears will all be extinct long before then. Imo the situation is past critical and the vultures are going to drill the Arctic with a better than 80 % chance of a major oil spill in the next two years.
Of course we personally must do what we can.
John

On 21/07/15 06:44, herb farmer wrote:
55ADDC42.1070207@lobo.net" type="cite">

Two-degree target may still cause catastrophic sea level rise, James Hansen warns
Hansen is longtime NASA scientist

http://www.nationalobserver.com/2015/07/20/news/two-degree-target-may-still-cause-catastrophic-sea-level-rise-james-hansen-warns

But this one paragraph caught my eye:

This, combined with a rapid transition to renewable energy and more efficient forestry and agriculture practices to sequester carbon, would reduce atmospheric carbon dioxide levels down to a safer level 350 parts per million by 2100, helping to restore the Earth’s energy balance

That can only refer to the Rodale-MIT trials on Regenerative Agriculture. Which we work with in some form.

paul
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[Livingontheland] Two-degree target may still cause catastrophic sea level rise, herb farmer, 07/21/2015
- Re: [Livingontheland] Two-degree target may still cause catastrophic sea level rise, dhondt, 07/21/2015
  - Re: [Livingontheland] Two-degree target may still cause catastrophic sea level rise, herb farmer, 07/21/2015
    - Re: [Livingontheland] Two-degree target may still cause catastrophic sea level rise, dhondt, 07/21/2015
      - Re: [Livingontheland] Two-degree target may still cause catastrophic sea level rise, herb farmer, 07/21/2015
      - Re: [Livingontheland] Again =- Two-degree target may still cause catastrophic sea level rise, herb farmer, 07/21/2015
        
        Re: [Livingontheland] Again =- Two-degree target may still cause catastrophic sea level rise, dhondt, 07/22/2015
        
        Re: [Livingontheland] Again =- Two-degree target may still cause catastrophic sea level rise, herb farmer, 07/22/2015
        
        Re: [Livingontheland] Again =- Two-degree target may still cause catastrophic sea level rise, Pete Vukovich, 07/22/2015
        Re: [Livingontheland] Again =- Two-degree target may still cause catastrophic sea level rise, dhondt, 07/23/2015
        
        Re: [Livingontheland] Again =- Two-degree target may still cause catastrophic sea level rise, dhondt, 07/23/2015