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<font size="+2"><font face="Calibri"><i><b>April</b></i></font></font><font
size="+2" face="Calibri"><i><b> 6, 2023</b></i></font><font
face="Calibri"><br>
</font> <font face="Calibri"> </font> <br>
<font face="Calibri"><i>[ Ice melt rate on the increase, means sea
level rise increasing rate ] </i><br>
</font> <font face="Calibri"><b>Ice sheets can collapse at 600
metres a day, far faster than feared, study finds</b><br>
</font><font face="Calibri">Sediments from last ice age provide
‘warning from the past’ for Antarctica and sea level rise today,
say scientists<br>
</font><font face="Calibri">Damian Carrington Environment editor<br>
@dpcarrington<br>
Wed 5 Apr 2023</font><br>
<font face="Calibri">Ice sheets can collapse into the ocean in
spurts of up to 600 metres (2,000 feet) a day, a study has found,
far faster than recorded before.<br>
<br>
Scientists said the finding, based on sea floor sediment
formations from the last ice age, was a “warning from the past”
for today’s world in which the climate crisis is eroding ice
sheets.<br>
<br>
They said the discovery shows that some ice sheets in Antarctica,
including the “Doomsday” Thwaites glacier, could suffer periods of
rapid collapse in the near future, further accelerating the rise
of sea level.<br>
<br>
The rising oceans are among the greatest long-term impacts of
global heating because hundreds of major cities around the world
are on coastlines and are increasingly vulnerable to storm surges
and flooding. The West Antarctic ice sheet may already have passed
the point at which major losses are unstoppable, which will lead
eventually to metres of sea level rise.<br>
<br>
“Our research provides a warning from the past about the speeds
that ice sheets are physically capable of retreating at,” said Dr
Christine Batchelor at Newcastle University in the UK, who led the
research. “It shows that pulses of rapid retreat can be far
quicker than anything we’ve seen so far.”<br>
</font><br>
<font face="Calibri">Most previous estimates of the rate of ice
sheet collapse have come from satellite data, which has been
collected for about 50 years. The geological data used in the
study stretches back thousands of years, allowing a much greater
range of conditions to be analysed.<br>
<br>
The research, published in the journal Nature, used
high-resolution mapping of the sea bed off Norway, where large ice
sheets collapsed into the sea at the end of the last ice age
20,000 years ago. The scientists focused on sets of small ridges
parallel to the coast, which formed at the line where the base of
the ice sheet met the oceans, called the grounding line.<br>
<br>
As the tides lifted the ice sheets up and down, sediments at the
grounding line were squashed into ridges twice a day. As the base
of the ice sheet melted over days and weeks, the grounding line
retreated towards the shore, leaving behind sets of parallel
ridges. Measuring the distance between the ridges enabled the
scientists to calculate the speed of the Norwegian ice sheet
collapse.<br>
<br>
They found speeds of between 50 metres a day and 600 metres a day.
That is up to 20 times faster than the speediest retreat recorded
previously by satellites, of 30 metres a day at the Pope Glacier
in West Antarctica. Ridges had been studied before, in Antarctica,
but only over an area of 10 sq km. The new study covered an area
of 30,000 sq km, and 7,600 ridges, allowing the scientists to
understand what is likely to control the rates of retreat.<br>
<br>
The fastest rates of ice sheet loss to the ocean were found where
the ice sheet had been resting on a virtually flat sea bed. This
is because a relatively small amount of melting at the base of a
flat-bedded ice sheet can lift a large section of the sheet and
shift the grounding line much further inshore than if the sheet
was on a steeper slope.<br>
</font><br>
<font face="Calibri">The Norwegian ridges show rapid spurts of ice
loss lasting up to 11 days, but Bachelor suspects they could last
for months. “The measurement at Pope Glacier showed 30 metres per
day was sustained for about three and a half months. But 600
metres a day definitely wouldn’t be sustained for a year or many
years – you’d have no ice left.”<br>
<br>
However, she said: “Our findings suggest that present-day rates of
melting are sufficient to cause short pulses of rapid retreat
across flat-bedded areas of the Antarctic ice sheet, including at
Thwaites.”<br>
<br>
Prof Andrew Shepherd, at Northumbria University in the UK, who was
not part of the study team, said: “It’s pretty incredible, but
relic features on the seabed provide much more frequent sampling
of ice sheet retreat than we have been able to achieve with
satellites.”<br>
<br>
“It turns out that retreat is not a steady process, but happens in
short bursts,” he added. “We didn’t spot that from space because
we tend to track changes once per year at most. Whether the rapid
retreat found in the new study might mean worryingly fast
increases in future ice loss and sea level rise will depend on
whether these fast rates are sustained for periods of time longer
than a week or two.”<br>
<br>
Dr Johannes Feldmann, at the Potsdam Institute for Climate Impact
Research in Germany, said: “The study [shows] that in the future
faster retreat rates than presently observed in, eg Antarctica,
are indeed possible under specific circumstances. The implications
of such rapid retreat are serious, given the generally
irreversible nature of ice sheet retreat.”<br>
</font><br>
<font face="Calibri"><a class="moz-txt-link-freetext"
href="https://www.theguardian.com/environment/2023/apr/05/ice-sheets-collapse-far-faster-than-feared-study-climate-crisis"
moz-do-not-send="true">https://www.theguardian.com/environment/2023/apr/05/ice-sheets-collapse-far-faster-than-feared-study-climate-crisis</a><br>
</font>
<p><font face="Calibri"><br>
</font></p>
<p><font face="Calibri"><br>
</font></p>
<i><font face="Calibri">[ Plums hurt more than peaches. VOA news
video 2:43 duration ]</font></i><br>
<font face="Calibri"><b>How Climate Change Is Tormenting Fruit
Growers</b><br>
</font><font face="Calibri">Warming temperatures from climate change
mean spring comes earlier in higher latitudes. But fruit growers
around the temperate world say an early spring is not always a
good thing. The reason is counterintuitive. But as VOA's Steve
Baragona reports, it is another way that climate change is forcing
farmers everywhere to adapt.<br>
</font><font face="Calibri"><a class="moz-txt-link-freetext"
href="https://www.voanews.com/a/how-climate-change-is-tormenting-fruit-growers-/7036115.html"
moz-do-not-send="true">https://www.voanews.com/a/how-climate-change-is-tormenting-fruit-growers-/7036115.html</a><br>
</font>
<p><font face="Calibri"><br>
</font></p>
<p><font face="Calibri"><br>
</font> </p>
<font face="Calibri"> <i>[ "flotation devices can be found under
your seats" video PBS ]</i></font><br>
<font face="Calibri"> <b>Global Seed Vault becomes more important
than ever as climate change threatens crops</b></font><br>
<font face="Calibri">PBS NewsHour</font><br>
<font face="Calibri">9,314 views Apr 4, 2023</font><br>
<br>
<font face="Calibri">When you think of fresh produce and fields of
grain, the Arctic may not spring to mind. But just 800 miles from
the North Pole, the Global Seed Vault holds emergency stockpiles
of most of the world's crops. It provides scientists with the
tools they need to breed plants able to cope with a changing
world. Special correspondent John Bevir visited the vault to learn
more about the future of food.</font><br>
<font face="Calibri"><a class="moz-txt-link-freetext"
href="https://www.youtube.com/watch?v=luqHf5J-XLY"
moz-do-not-send="true">https://www.youtube.com/watch?v=luqHf5J-XLY</a><br>
</font>
<p><font face="Calibri"><br>
</font></p>
<p><font face="Calibri"><br>
</font></p>
<i><font face="Calibri">[ Professor of Economics ]</font></i><br>
<font face="Calibri"><b>How Economics Overpowers Culture | Lisi
Krall</b><br>
Planet: Critical<br>
108 views Apr 5, 2023 #politicalcrisis #climatecrisis
#economiccrisis<br>
How can we change an economic system that has a life of its own?<br>
<br>
10,000 years ago, homo sapiens began farming a grain surplus. This
surplus led to the creation of societal and cultural hierarchies
which divorced our species from our long relationship with the
natural world. This week’s guest, Lisi Krall, argues that our
current economic system of fossil-fuelled capitalism is an
interpretation of that same system—and we must repair our
relationship to the more-than-human world if we are to change the
system. But it is a momentous challenge. One, she argues, we must
not think culture alone can overcome.<br>
<br>
Lisi Krall is a Professor of Economics at the State University of
New York Cortland where she researches political economy, human
ecology, and the evolution of economic systems. She's also the
author of Bitter Harvest: An Inquiry Into The War Between Economy
And Earth. She explains how systems self-propagate, evolve and
dominate culture, arguing acts of local resistance are key to
building a sustainable world, and warns against projects like the
Green New Deal, which she claims is the status quo masquerading as
the solution. <br>
</font>
<blockquote><font face="Calibri">00:00 Intro</font><br>
<font face="Calibri">03:07 The Economic Superorganism</font><br>
<font face="Calibri">06:45 How agriculture affected us</font><br>
<font face="Calibri">08:55 Surplus and Hierarchy</font><br>
<font face="Calibri">15:13 How the economy self propagates</font><br>
<font face="Calibri">25:51 Systems change & culture</font><br>
<font face="Calibri">39:34 Renewable Energy is not the solution</font><br>
<font face="Calibri">44:22 Reduction & Redistribution</font><br>
<font face="Calibri">54:30 Creating Ecological Economics</font><br>
<font face="Calibri">58:40 Conservation</font><br>
<font face="Calibri">01:05:36 Duality of earth and human world</font><br>
<font face="Calibri">01:12:20 Who would you like to platform?</font><br>
</blockquote>
<font face="Calibri">🔴 Read 'Bitter Harvest': <a
class="moz-txt-link-freetext"
href="https://sunypress.edu/Books/B/Bitter-Harvest"
moz-do-not-send="true">https://sunypress.edu/Books/B/Bitter-Harvest</a><br>
</font><font face="Calibri"><a class="moz-txt-link-freetext"
href="https://www.youtube.com/watch?v=0kKGgcxmJ-c"
moz-do-not-send="true">https://www.youtube.com/watch?v=0kKGgcxmJ-c</a></font>
<p><font face="Calibri">- -</font></p>
<font face="Calibri"><i>[ From SUNY Press ]</i><br>
</font><font face="Calibri"><b>Bitter Harvest</b><b><br>
</b><b>An Inquiry into the War between Economy and Earth</b><br>
By Lisi Krall<br>
Subjects: Economic History, Environmental Philosophy, Anthropology
Of Work, Sociology Of Work, Cultural Studies<br>
Hardcover : 9781438489919, 196 pages, August 2022<br>
Paperback : 9781438489902, 196 pages, February 2023<br>
Hardcover $95.00<br>
</font><br>
<font face="Calibri">Explores the duality between humans and Earth
through a focus on the economic system changes that began with
grain agriculture and has now reached its apogee in global
capitalism.<br>
</font><br>
<font face="Calibri"><b>Description</b><br>
Humans are in danger of crossing a divide where their foothold on
an earth once abundant in self-willed otherness is slipping away.
This is apparent with the sixth mass extinction, climate change,
and the many breaches of planetary boundaries. Bitter Harvest
brings clarity to this moment in history through a focus on
economic order, how it comes to be what it is, and the way it
structures the relationship between humans and Earth. An unusual
synergy of disciplines (evolutionary biology, history, economic
systems analysis, anthropology, and deep ecology) are tapped to
fully explore the emergence of an economic system that
contextualized a duality between humans and Earth. Conversations
that focus on capitalism and the industrial revolution are
subsumed under the longer arc of history and the system change
that began with the cultivation of annual grains. Bitter Harvest
engenders a more critical conversation about the complexity of the
human relationship to Earth and the challenge of altering the
economic trajectory that began with agriculture and has now
reached its apogee in global capitalism.<br>
<br>
Lisi Krall is Professor of Economics at the State University of
New York College at Cortland. She is the author of Proving Up:
Domesticating Land in U.S. History, also published by SUNY Press.<br>
<a class="moz-txt-link-freetext"
href="https://sunypress.edu/Books/B/Bitter-Harvest"
moz-do-not-send="true">https://sunypress.edu/Books/B/Bitter-Harvest</a><br>
</font>
<p><font face="Calibri"> </font></p>
<p><font face="Calibri"><br>
</font></p>
<p><font face="Calibri"><br>
</font> </p>
<font face="Calibri"> <i>[ Beckwith talks rapid change. Rossby
waves -- video ]</i></font><br>
<font face="Calibri"> </font> <font face="Calibri"><b>Scientific
Mechanisms behind Record Melt of Antarctic Sea Ice in 2023, 2022
and 2017: SST, +SAM…</b><br>
Paul Beckwith<br>
Apr 4, 2023<br>
Up until about 2014, the Antarctic Sea Ice was trending upward by
about 1.5% per decade. That trend reversed sharply downward, with
a record minimum in 2017, and then there was a massive drop in
2022, and now another in 2023.<br>
<br>
There are many interconnected reasons for this great reduction in
Antarctic Sea Ice and acceleration of the ice loss.<br>
<br>
A new peer-reviewed scientific paper from China was just published
online (open source, Google it) that delves into the details.<br>
<br>
Basically, the minimum sea ice around Antarctica occurs each year
at the end of the austral (Southern Hemisphere) summer which is in
the JFM (January-February-March) time period (usually
mid-February). The previous JJA there were regions of strong
ozone depletion which increased the Shortwave (SW) Solar
Radiation, increasing the Sea Surface Temperatures (SSTs),
decreased the Low level Cloud Cover (LCC) and increasing the
Southern Annular Mode (SAM) westerly winds (winds from west)
circumventing the Antarctica continent. Since the Coriolis force
deflects things moving in the Southern Hemisphere to the left
(opposite to Northern Hemisphere) the surface water and sea ice
surrounding Antarctica is pushed away from the land, thinning the
ice and hastening it’s melting (this motion is called Ekman Flow).
<br>
<br>
All of these factors basically hammered the Antarctica sea ice in
2022, as described in the peer-reviewed scientific paper. This
year was even worse, with the Antarctica Sea ice setting a new
record low in mid-February.<br>
<br>
With less and less Antarctica sea ice, the on land glaciers often
speed up, analogous to taking a cork out of a bottle. Thus, more
thinning, calving, ice shelf collapse, and thus sea level rise
occurs. Also, when sea water freezes into sea ice, brine pockets
in the newly formed ice capture some salt, but the surrounding
water is much saltier from ice rejected salt, so this cold salty
water is dense and important for sinking and driving the Southern
Overturning Circulation (SOC) which connects to the AMOC via the
global ocean conveyer. As I showed in a previous recent video, the
SOC is expected to slow by 42% in the next 6-7 years, causing the
AMOC to slow by 19% (direct effects; AMOC also slows because of
changes in the Arctic).</font><br>
<font face="Calibri"><a class="moz-txt-link-freetext"
href="https://www.youtube.com/watch?v=PfwmqQ322Ec"
moz-do-not-send="true">https://www.youtube.com/watch?v=PfwmqQ322Ec</a><br>
</font> <br>
<p><br>
</p>
<i>[ From Yale School of the Environment - declaring new climate
leaders - from Program on Climate Communication ]</i><br>
<b>Welcome to the fourth cohort of the Public Voices Fellowship on
the Climate Crisis</b><br>
<p>Dear Friends,</p>
The climate crisis affects all of us, but its impacts are unevenly
and unjustly distributed. Those with the greatest power to mitigate
and adapt to climate change often have the least incentive to do so,
across geography, wealth, age, race, and gender.<br>
<br>
There is an urgent need for new ideas from a diversity of
individuals, across geography, wealth, age, race, and gender,
including those most impacted by climate change. From them, we can
learn new solutions and envision a more just future.<br>
<br>
The YPCCC is delighted to continue its partnership with The OpEd
Project to sponsor the Public Voices Fellowship on the Climate
Crisis. This Fellowship is part of The OpEd Project's national
Public Voices initiative to change who writes history. It is part of
YPCCC's work to diversify and amplify the voices behind climate
change action.<br>
<br>
Today we are pleased to announce the 20 Fellows of our fourth
cohort. They were chosen from a large and competitive field. The 20
fellows demonstrate high-powered thought leadership in a variety of
ways, including education, community organizing, public writing, and
advocacy. Some speak for a younger generation, others bring the
wisdom of decades of experience. Some engage faith communities, and
others advocate for vulnerable, or historically underrepresented,
communities. Some are innovating new ways to justly mitigate climate
change, others are giving voice to the histories and stories of the
climate movement. They all seek solutions...<br>
<p>- -</p>
<p>Help spread the word: Congrats to the 2023 #PublicVoices Fellows
on the Climate Crisis — 20 thought leaders working at the
intersections of climate change science, impacts, solutions, and
social justice. @TheOpEdProject @YaleClimateComm<br>
</p>
<a class="moz-txt-link-freetext"
href="https://climatecommunication.yale.edu/news-events/welcome-to-the-fourth-cohort-of-the-public-voices-fellowship-on-the-climate-crisis/"
moz-do-not-send="true">https://climatecommunication.yale.edu/news-events/welcome-to-the-fourth-cohort-of-the-public-voices-fellowship-on-the-climate-crisis/</a><br>
<p><br>
</p>
<p><br>
</p>
<font face="Calibri"> <i>[The news archive - looking back at GWBush
] </i><br>
<font size="+2"><i><b>April 6, 2000</b></i></font> <br>
April 6, 2000: Predicting the controversies that would define the
George W. Bush administration, New York Times columnist Bob
Herbert observes, "Mr. Bush's relationship to the environment is
roughly that of a doctor to a patient -- when the doctor's name is
Kevorkian."<br>
<a class="moz-txt-link-freetext"
href="http://www.nytimes.com/2000/04/06/opinion/in-america-bush-goes-green.html?pagewanted=print"
moz-do-not-send="true">http://www.nytimes.com/2000/04/06/opinion/in-america-bush-goes-green.html?pagewanted=print</a>
<br>
<br>
<br>
</font>
<p><font face="Calibri">======================================= <br>
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