[Stoves] Interesting Video

[Ronal W. Larson]

Norbert and list:

	Thanks for supplying this site - a good one for educating this list - on a topic where this list can make a difference (via char-making stoves).

 	I was previously unaware of PMEL  =  Pacific Marine Environmental Laboratory.  This looks like the right group for this acidification topic.  And NOAA is the right group above the PMEL level (I’m prejudiced as I worked for NOAA for a time).

	But as big an issue as acidification is, I worry more about ocean temperature rise.  Again - this list’s expertise is just as relevant:  biochar looks to me to be the least cost approach for CDR (= carbon dioxide removal).  Stoves can only be part of the savings (of $ trillions) - but maybe the lowest cost of all the available options.

on


> On Mar 28, 2018, at 1:34 PM, Norbert Senf <norbert.senf at gmail.com> wrote:
> 
> Increased atmospheric CO2 levels are resulting in enough ocean acidification to kill off coral reefs:
> https://www.pmel.noaa.gov/co2/story/Ocean+Carbon+Uptake <https://www.pmel.noaa.gov/co2/story/Ocean+Carbon+Uptake>
> https://www.pmel.noaa.gov/co2/story/OA+Observations+and+Data <https://www.pmel.noaa.gov/co2/story/OA+Observations+and+Data>
> 
> ------------previous message------------------------
> Date: Tue, 27 Mar 2018 16:25:15 +0000
> From: Crispin Pemberton-Pigott <crispinpigott at outlook.com <mailto:crispinpigott at outlook.com>>
> To: Discussion of biomass cooking stoves
>         <stoves at lists.bioenergylists.org <mailto:stoves at lists.bioenergylists.org>>
> Subject: Re: [Stoves] Interesting Video
> Message-ID:
>         <CY4PR22MB03751099DBEE5681CE42B613B1AC0 at CY4PR22MB0375.namprd22.prod.outlook.com <mailto:CY4PR22MB03751099DBEE5681CE42B613B1AC0 at CY4PR22MB0375.namprd22.prod.outlook.com>>
> 
> >Worse to my mind is the way ocean surface concentrations of CO2 have changed so fast in evolutionary terms that marine life has been unable to react so there is a net loss of photosynthetic activity  in shallow waters.
> 
> This is the first time I have heard of such a thing. The ocean surface is extremely resistant to changes in CO2 concentration as it has a huge buffering capacity with multiple latent mechanisms that kick in when they can. The ?net loss of photosynthetic activity in shallow waters? because on ?an increase in CO2? is unbelievable. Perhaps you can guide me to the source.
> 
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