[Coral-List] Bleaching

Douglas Fenner douglasfennertassi at gmail.com
Mon Apr 11 22:24:05 UTC 2022

Thank you!!  Did people see the link to the Youtube video in John's
mail???  It is a statement by the Secretary-General of the UN that in my
view hits the nail on the head better than anything else I've seen.  Spread
it far and wide!   Cheers, Doug

On Mon, Apr 11, 2022 at 5:03 AM Bruno, John via Coral-List <
coral-list at coral.aoml.noaa.gov> wrote:

> Just popping into this discussion about ocean warming and coral bleaching
> to point out that in Gene's response to Austin, he confused two issues.
> Austin expressed skepticism that humanity can cut our RATE of emissions in
> half by 2030 (which is roughly what's required to limit warming to 1.5C).
> Gene's point about the atmospheric CONCENTRATION of CO2 taking
> decades-centuries to drop back to pre-industrial levels (in the absence of
> intervention like CCS) is correct, but not relevant to Austin's point.
> Once our emissions reach zero, warming will stop nearly immediately, even
> though the concentration of greenhouse gases will remain elevated. That's
> the good news. The challenge is obviously reducing net global emissions to
> zero.
> Cheers,
> JB
> > Thanks Austin, I have become so used to broken promises by governmens
> > and businesses that it just bounces off. I recall many climate change
> > authors claiming that if all sources of Co2 were stopped today it would
> > take about? half a century for Co2 levels to drop to pre-industrial
> > levels. Reducing present levels in 8-years is not realistic. Gene
> > https://www.youtube.com/watch?v=9xBVD8r0aHQ
> > If the only solution is to half emissions within 8 years, how is that
> even
> > remotely possible?
> >
> > Austin Bowden-Kerby, PhD
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