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<p><font size="+2" face="Calibri"><i><b>November 25</b></i></font><font
size="+2" face="Calibri"><i><b>, 2023</b></i></font></p>
<font face="Calibri"></font><font face="Calibri"><i>[ Perhaps the
most wonderful and wise young climate scientist -- Dr Katlin
Naughten - gives a stark evaluation of our predicament. She
started her ClimateSite.org blog years ago just as she started
her PhD. <a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=iAtN1XBZBZU">https://www.youtube.com/watch?v=iAtN1XBZBZU</a> - 21 min
video discussion with Nick Breeze ]</i></font><br>
<font face="Calibri"><b>Dr Kaitlin Naughten - Antarctic Ice sheet
Loss Acceleration - British Antarctic Survey</b><br>
Nick Breeze ClimateGenn<br>
Premiered 4 hours ago ClimateGenn #podcast produced by Nick
Breeze<br>
In this ClimateGenn episode I am speaking with Dr Kaitlin Naughten
from the British Antarctic Survey about her new research looking
at the unavoidable sea-level rise from west Antarctica. <br>
[Subscribe to the ClimateGenn Podcast on Youtube and
Patreon: <a class="moz-txt-link-freetext" href="https://patreon.com/genncc">https://patreon.com/genncc</a> ]<br>
[Preorder COPOUT by Nick Breeze:
<a class="moz-txt-link-freetext" href="https://copout.genn.cc">https://copout.genn.cc</a> ]<br>
Although ending fossil fuels is still the main course to pursue,
no amount of emissions reduction this century, can slow the melt
of this region of Antarctica. <br>
<br>
We discuss the implications, such as abandoning coastal areas, as
well as learning to accept and respond to the growing climate
migrant crisis. We also discuss the psychological toll of
processing this kind of scientific findings.<br>
<br>
In the next episode I will be speaking with author and
psychoanalyst, Sally Weintrobe about her latest work.<br>
<br>
As policymakers meet in Dubai for the preCOP discussions, it is
with great sadness that we note the death of Professor Saleemul
Huq on the 28th October. Saleem has been a huge source of insight
for my work over the last decade, giving me many interviews that
provide the much needed perspective of the vulnerable nations in
the global south. <br>
<br>
As mentioned before, my own book COPOUT is available for preorder
and I am pleased to say that Saleem’s wise words inform the
narrative, threading the way from Paris to this years COP in the
UAE.<br>
<br>
Thank you to all Youtube and Patreon subscribers for supporting
the channel - with ever more aspects to the climate and ecological
crisis emerging, your support makes it a difference.<br>
</font>
<p><font face="Calibri"><a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=iAtN1XBZBZU">https://www.youtube.com/watch?v=iAtN1XBZBZU</a></font><br>
</p>
<p>- -</p>
<i>[ Melting ice - scientist site ]</i><br>
<b>Increasing melting of West Antarctic ice shelves may be
unavoidable – new research</b><br>
Oct 23, 2023<br>
<b>ClimateSight </b><br>
Climate science from the inside<br>
Kaitlin Naughten, British Antarctic Survey; Jan De Rydt, Northumbria
University, Newcastle, and Paul Holland, British Antarctic Survey<br>
<br>
Originally published at The Conversation based on research published
in Nature Climate Change<br>
The rate at which the warming Southern Ocean melts the West
Antarctic ice sheet will speed up rapidly over the course of this
century, regardless of how much emissions fall in coming decades,
our new research suggests. This ocean-driven melting is expected to
increase sea-level rise, with consequences for coastal communities
around the world.<br>
<br>
The Antarctic ice sheet, the world’s largest volume of land-based
ice, is a system of interconnected glaciers comprised of snowfall
that remains year-round. Coastal ice shelves are the floating edges
of this ice sheet which stabilise the glaciers behind them. The
ocean melts these ice shelves from below, and if melting increases
and an ice shelf thins, the speed at which these glaciers discharge
fresh water into the ocean increases too and sea levels rise.<br>
<br>
In West Antarctica, particularly the Amundsen Sea, this process has
been underway for decades. Ice shelves are thinning, glaciers are
flowing faster towards the ocean and the ice sheet is shrinking.
While ocean temperature measurements in this region are limited,
modelling suggests it may have warmed as a result of climate change.<br>
<br>
We chose to model the Amundsen Sea because it is the most vulnerable
sector of the ice sheet. We used a regional ocean model to find out
how ice-shelf melting will change here between now and 2100. How
much melting can be prevented by reducing carbon emissions and
slowing the rate of climate change – and how much is now
unavoidable, no matter what we do?<br>
<br>
<b>Rapid change is locked in</b><br>
We used the UK’s national supercomputer ARCHER2 to run many
different simulations of the 21st century, totalling over 4,000
years of ocean warming and ice-shelf melting in the Amundsen Sea.<br>
<br>
We considered different trajectories for fossil fuel burning, from
the best-case scenario where global warming is limited to 1.5°C in
line with the Paris Agreement, to the worst, in which coal, oil and
gas use is uncontrolled. We also considered the influence of natural
variations in the climate, such as the timing of events such as El
Niño.<br>
<br>
The results are worrying. In all simulations there is a rapid
increase over the course of this century in the rate of ocean
warming and ice-shelf melting. Even the best-case scenario in which
warming halts at 1.5°C, something that is considered ambitious by
many experts, entails a threefold increase in the historical rate of
warming and melting.<br>
<a class="moz-txt-link-freetext" href="https://climatesight.files.wordpress.com/2023/10/warming_melting_trend_map.png?w=2045">https://climatesight.files.wordpress.com/2023/10/warming_melting_trend_map.png?w=2045</a><br>
What’s more, there is little to no difference between the scenarios
up to 2045. Ocean warming and ice-shelf melting in the 1.5°C
scenario is statistically the same as in a mid-range scenario, which
is closer to what existing pledges to reduce fossil fuel use over
the coming decades would produce.<br>
The worst-case scenario shows more melting than the others, but only
from around mid-century onwards, and many experts think this amount
of future fossil fuel burning is unrealistic anyway.<br>
<br>
The results imply that we are now committed to rapid ocean warming
in the Amundsen Sea until at least 2100, regardless of international
policies on fossil fuels.<br>
The increases in warming and melting are the result of ocean
currents strengthening and driving more warm water from the deep
ocean towards the shallower ice shelves along the coast. Other
studies have suggested this process is behind the ice shelf thinning
measured by satellites.<br>
<br>
<b>How much will the sea level rise?</b><br>
Melting ice shelves are a major cause of sea-level rise, but not the
whole story. We can’t put a number on how much sea levels will rise
without also simulating the flow of Antarctic glaciers and the rate
of snow accumulating on the ice sheet, which our model didn’t
include.<br>
<br>
But we have every reason to believe that increased ice-shelf melting
in this region will cause the rate at which sea levels are rising to
speed up.<br>
<br>
The West Antarctic ice sheet is already contributing substantially
to global sea-level rise and is losing about 80 billion tonnes of
ice a year. It contains enough ice to cause up to 5 metres of
sea-level rise, but we don’t know how much of it will melt, and how
quickly. Our colleagues around the world are working hard to answer
this question.<br>
<br>
<b>Courage and hope</b><br>
There are some consequences of climate change that can no longer be
avoided, no matter how much fossil fuel use falls. Substantial
melting of West Antarctica up to 2100 may now be one of them.<br>
<br>
How do you tell a bad news story? The conventional wisdom is that
you’re supposed to give people hope: to say that there’s a disaster
behind one door, but we can avoid it if only we choose a different
one. What do you do when your science tells you that all doors lead
to the same disaster?<br>
<br>
Kate Marvel, an atmospheric scientist, said that when it comes to
climate change, “we need courage, not hope … Courage is the resolve
to do well without the assurance of a happy ending”. In this case,
courage means shifting our attention to the longer term.<br>
The future will not end in 2100, even if most people reading this
will no longer be around. Our simulations of the 1.5°C scenario show
ice-shelf melting starting to plateau by the end of the century,
suggesting that further changes in the 22nd century and beyond may
still be preventable. Reducing sea-level rise after 2100, or even
slowing it down, could save many coastal cities.<br>
<br>
Courage means accepting the need to adapt, protecting coastal
communities where it’s possible to do so, and rebuilding or
abandoning them where it’s not. By predicting future sea-level rise
in advance, we’ll have time to plan for it – rather than wait until
the ocean is on our doorstep.<br>
Kaitlin Naughten, Ocean-Ice Modeller, British Antarctic Survey; Jan
De Rydt, Associate Professor of Polar Glaciology and Oceanography,
Northumbria University, Newcastle, and Paul Holland, Ocean and Ice
Scientist, British Antarctic Survey<br>
<br>
This article is republished from The Conversation under a Creative
Commons license. Read the original article.<br>
<a class="moz-txt-link-freetext" href="https://climatesight.org/2023/10/23/increasing-melting-of-west-antarctic-ice-shelves-may-be-unavoidable-new-research/">https://climatesight.org/2023/10/23/increasing-melting-of-west-antarctic-ice-shelves-may-be-unavoidable-new-research/</a><br>
<p><br>
</p>
<p><br>
</p>
<p><font face="Calibri"><i>[ now for the Greenland Arctic report - 4
min video ]</i></font><br>
<font face="Calibri"><b>Changes in the Arctic Ice Are Happening
Very Fast</b><br>
Lamont-Doherty Earth Observatory<br>
Sep 3, 2023<br>
Arctic change is so important to track, as the change in the
Arctic is the fastest.<br>
<br>
Created by: Polar Climate Ambassador Project, Janice Yohannan<br>
<br>
The Polar Climate Ambassadors are a group of high school
students from diverse backgrounds who focus on polar and climate
system science, while developing science communications to share
with their peers and communities.<br>
<br>
GreenDrill is an ambitious science project that is drilling
though the Greenland ice sheet to the bedrock below to forecast
the future of this fast-melting ice sheet and our warming
planet.<br>
</font><font face="Calibri"><a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=24GmK-481jc">https://www.youtube.com/watch?v=24GmK-481jc</a><br>
</font>
</p>
<p><font face="Calibri"><br>
</font></p>
<p><font face="Calibri"><br>
</font></p>
<font face="Calibri"><i>[ facing reality of 422.36 parts per million
- 5.06ppm more than last year. I was born into a world that
was 310.7 ]</i></font><br>
<font face="Calibri"><b>CO2 readings from Mauna Loa show failure to
combat climate change</b></font><br>
<font face="Calibri">Daily atmospheric carbon dioxide data from
Hawaiian volcano more than double last decade’s annual average</font><br>
<font face="Calibri">Just above this column on the weather page of
the Guardian’s print edition is the daily atmospheric carbon
dioxide readings from Mauna Loa in Hawaii, the acid test of how
the world is succeeding in combatting climate change. A week
before the 28th annual meeting of the United Nations Framework
Climate Change Convention opens in oil-rich Dubai, it makes
depressing reading.</font><br>
<br>
<font face="Calibri">At the time of writing it is 422.36 parts per
million. That is 5.06ppm more than the same day last year. That
rise in 12 months is probably the largest ever recorded – more
than double the last decade’s annual average.</font><br>
<br>
<font face="Calibri">To give some perspective, exactly a decade ago
the concentration was 395.64ppm. Then the scientific community
worried about the effect on the weather if we were to pass the 400
mark. Now we know: the result is catastrophic heatwaves, storms,
droughts, floods and rapidly increasing and unstoppable sea level
rise.</font><br>
<br>
<font face="Calibri">The figures underline the fact that after 27
annual meetings of the convention, all the efforts of nearly 200
member states to tackle the menace of the climate crisis have been
a failure, so far. The situation continues to get worse ever more
rapidly. There is no sign of carbon dioxide levels going down, let
alone reaching the “safe” level of 350ppm.</font><br>
<font face="Calibri"><a class="moz-txt-link-freetext" href="https://www.theguardian.com/news/2023/nov/24/co2-readings-from-mauna-loa-show-failure-to-combat-climate-change">https://www.theguardian.com/news/2023/nov/24/co2-readings-from-mauna-loa-show-failure-to-combat-climate-change</a></font>
<p><br>
</p>
<p><br>
</p>
<i>[ see the levels when you were born -- my grandparents lived in
285 ppm .]</i><br>
<a class="moz-txt-link-freetext" href="https://www.eea.europa.eu/data-and-maps/daviz/atmospheric-concentration-of-carbon-dioxide-5#tab-chart_5_filters=%7B%22rowFilters%22%3A%7B%7D%3B%22columnFilters%22%3A%7B%22pre_config_polutant%22%3A%5B%22CO2%20(ppm)%22%5D%7D%7D">https://www.eea.europa.eu/data-and-maps/daviz/atmospheric-concentration-of-carbon-dioxide-5#tab-chart_5_filters=%7B%22rowFilters%22%3A%7B%7D%3B%22columnFilters%22%3A%7B%22pre_config_polutant%22%3A%5B%22CO2%20(ppm)%22%5D%7D%7D</a><br>
<p><br>
</p>
<p><br>
</p>
<i>[ Ask Google and it's AI ]</i><br>
<b>What are the long term effects of CO2 exposure?</b><br>
Recover from Carbon Monoxide Poisoning's Long-Term Effects<br>
The most common symptoms of chronic CO poisoning include persistent
headaches, lightheadedness, fatigue, memory problems, nausea,
hearing disorders, sleep disorders, abdominal pain, diarrhea, and
vomiting.<br>
- -<br>
<b>What happens if you breathe in carbon dioxide for too long?</b><br>
Symptoms of mild CO2 exposure may include headache and drowsiness.
At higher levels,rapid breathing, confusion, increased cardiac
output, elevated blood pressure and increased arrhythmias may occur.
Breathing oxygen depleted air caused by extreme CO2 concentrations
can lead to death by suffocation.<br>
- -<br>
Carbon dioxide is a pollutant found in indoor and outdoor air.
Indoors, CO2 is mainly produced through the respiration (breathing)
of occupants, but can also come from: cigarette smoking. unvented or
poorly vented fuel-burning appliances.Mar 19, 2021<br>
<font face="Calibri">- -</font><br>
<font face="Calibri">In contrast to acute poisoning, chronic CO
poisoning refers to cases where patients are exposed multiple
times to CO, usually at low concentrations. <br>
<br>
The most common symptoms of chronic CO poisoning include
persistent headaches, lightheadedness, fatigue, memory problems,
nausea, hearing disorders, sleep disorders, abdominal pain,
diarrhea, and vomiting. Each time a patient is exposed to CO, they
will develop one or more of these symptoms. However, because most
are nonspecific symptoms, CO poisoning is difficult to recognize
and is frequently mistaken for a flu-like disease or a stomach
bug. <br>
</font><br>
<p><br>
</p>
<p><font face="Calibri"><i>[ ClimateGenn Nick Breeze ]</i><br>
BOOK: COPOUT<br>
<b>‘COPOUT – How governments have failed the people on climate’</b><br>
by Nick Breeze<br>
My book COPOUT will be published in March 2024. COPOUT is a
gonzo tour of eight UN COPs from COP21 in Paris (2015) to COP28
UAE (2023). It is packed with expert commentary including on the
ground interviews with a wide range of experts that I have
recorded over the course of the last fifteen years (see list
below).<br>
From the jubilant signing of the Paris Agreement in 2015 to the
backward policies of the Trump administration a year later,
COPOUT uncovers the widespread global hypocrisy shown by world
leaders. Even today the majority of developed nations publicly
describe themselves as climate leaders, while rubber stamping
policies that make climate breakdown worse.<br>
<br>
As we peel back the layers of lies and wasted opportunities, we
see that the obfuscation by corrupt interests dates all the way
back to the Rio Earth Summit in 1992. That is three decades of
climate policy failure that now leave us dangerously exposed in
a rapidly degraded world.<br>
<br>
I interview the scientists and activists who travel to the COPs
in desperation, demanding change and who find their numbers
growing in strength and voice. The decline in trust in
politicians, who make great promises but never deliver on the
changes needed, is what is driving a global movement reimagining
the planet we share. <br>
<br>
COPOUT presents many of the most respected voices in the world
on this issue and spells out the challenges we face and what
needs to be done in plain language.<br>
Available for preorder now on Amazon.<br>
<a class="moz-txt-link-freetext" href="https://genn.cc/copout-nick-breeze/">https://genn.cc/copout-nick-breeze/</a><br>
</font></p>
<p><font face="Calibri"><br>
</font><br>
</p>
<font face="Calibri"><i>[The news archive - ]</i><br>
<font size="+2"><i><b>November 25, 2014 </b></i></font> <br>
</font> October 25, 2014: The New York Times reports:<br>
"While politicians are increasingly willing to include environmental
messages in their campaigns, many at the national level still steer
clear of the politically charged topic of climate change. But in
communities across the country where the effects are lapping at the
doorsteps of residents, pragmatism often trumps politics, and
candidates as well as elected officials across the political
spectrum are embracing the issue.<br>
<br>
"Some local Republican officials in Florida and elsewhere say they
can no longer follow the lead of state and national party leaders
like Senator Marco Rubio and Gov. Rick Scott, who have publicly
questioned whether human activity has had an effect on climate
change. (Though both have recently taken a more vague 'I’m not a
scientist' stance.) The Center for American Progress Action Fund, a
left-leaning advocacy group in Washington, tracks the statements of
American political figures on climate change and reports that more
than 58 percent of Republicans in Congress have denied a link
between human activity and global warming.<br>
<br>
"But in the Florida Keys, George Neugent, a Republican county
commissioner, said that while people might disagree about what to do
about climate change, the effects of flooding and hurricanes were
less ambiguous. 'Clearly rising tides are going to affect us,' he
said."<br>
- -<br>
“I don’t think we want to be the party that believes in dirty air
and dirty water,” Mr. Brainard said, noting that the Environmental
Protection Agency was founded under President Richard M. Nixon, a
Republican. Despite the broad agreement among scientists on climate
change, he added, “the problem in D.C. is that a lot of people are
making a lot of money keeping people mad at each other.”<br>
<br>
Bob Inglis, a former Republican congressman from South Carolina who
is working to get members of his party to accept climate change and
identify solutions, said his argument was not a hard sell for local
officials “who are in the business of fixing things, not just
talking about them.” His hope, he added, is that the viewpoint
“eventually percolates up to the people making grand
pronouncements.”<br>
<a class="moz-txt-link-freetext" href="http://www.nytimes.com/2014/10/25/science/pragmatism-on-climate-change-trumps-politics-at-local-level-across-us.html">http://www.nytimes.com/2014/10/25/science/pragmatism-on-climate-change-trumps-politics-at-local-level-across-us.html</a><br>
<br>
<p><font face="Calibri"> <br>
</font><font face="Calibri"><br>
=== Other climate news sources
===========================================<br>
</font> <font face="Calibri"><b>*Inside Climate News</b><br>
Newsletters<br>
We deliver climate news to your inbox like nobody else. Every
day or once a week, our original stories and digest of the web’s
top headlines deliver the full story, for free.<br>
</font> <font face="Calibri"><a class="moz-txt-link-freetext"
href="https://insideclimatenews.org/">https://insideclimatenews.org/</a><br>
--------------------------------------- <br>
*<b>Climate Nexus</b> <a class="moz-txt-link-freetext"
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remain largely unexposed. 5 weekday <br>
================================= <br>
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more at <a class="moz-txt-link-freetext"
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