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<font size="+2" face="Calibri"><i><b>February</b></i></font><font
size="+2" face="Calibri"><i><b> 26, 2024</b></i></font><font
face="Calibri"><br>
</font><br>
<i>[ Richard Alley is shepherding some sharp students - video ]</i><br>
<b>Vital Signs of Thwaites, the "Doomsday Glacier" Episode #1.
(Climate Change Education)</b><br>
USIceDrilling<br>
Feb 3, 2024<br>
Dr. Richard and Dr. Karen Alley take vital signs of Thwaites Glacier
in Antarctica to see if it is deserving of the "Doomsday Glacier"
nickname. Three vital signs are examined throughout the series to
access how this glacier may single handedly impact future
predictions of sea level rise. In this episode, the speed of the
glacier over the last 20 years is analyzed using satellite imagery.
Episode One of a three-part series. This video is part of the U.S.
Ice Drilling Program's School of Ice Virtual Field Lab Series. (CC)<br>
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=DHgSCCQrttI">https://www.youtube.com/watch?v=DHgSCCQrttI</a>
<p>- -<br>
</p>
<i>[ the Thwaits is one of the known markers for future sea level
rise #2 of 3 videos ]</i><br>
<b>Massive damage at Thwaites Glacier.</b><br>
by Pakalolo<br>
Community (This content is not subject to review by Daily Kos staff
prior to publication.)<br>
Saturday, February 24, 2024 <br>
Anyone who blogs on Daily Kos is aware that the world's ice is
melting, causing sea level rise, changes in the balance of fresh
versus salt water in the oceans of the world, a loss of reflection
of solar energy back into space that has significantly increased
heat energy into the oceans, coastal erosion.<br>
<br>
The loss of ice around Antarctica ice and sea ice reflectivity
(2023-2024 is the fourth lowest on record) has changed ocean
currents, damaging the ability to regulate carbon in the atmosphere.
"This area is where the deep water of the oceans rises to the
surface, where it mingles with the air, changes, and reforms,
sinking back into the depths. This moment of air-sea exchange of CO2
greatly impacts the overall amount of CO2 the ocean keeps safely
sequestered in its depths."<br>
West Antarctica is most vulnerable to rapid and devastating ice
loss. Thwaites has been in the news as the glacier holds up to 2
feet of sea level rise. Thwaites Eastern Ice Shelf is the plug that
keeps inland ice from flowing into the sea. If we lose it, that will
add another 8 feet of sea level rise, inundating Earth's coastal
cities from Shanghai to Lagos to New York City and beyond.<br>
<b>From first author Erin Petit of Oregon State University. (2021)</b><br>
The Thwaites Eastern Ice Shelf (TEIS) buttresses one third of
Thwaites Glacier. Removal of TEIS has the potential to increase the
contribution of Thwaites Glacier to sea level rise by up to 25\%.
Recent research shows that the ice shelf is losing its grip on a
submarine shoal that acts as a pinning point and the shear margin
that separates TEIS from the Thwaites Glacier Tongue has extended,
further weakening the TEIS connection to the pinning point. A
sequence of Sentinel-1 radar imagery shows that parallel wing and
comb cracks have recently formed rifts at high angles to the main
shear margin and are propagating into the central part of the ice
shelf at rates as high as 2km per year. We use satellite data,
ground-penetrating radar, and GPS measurements to suggest that final
collapse of Thwaites Glacier’s last remaining ice shelf may be
initiated by intersection of rifts with hidden basal crevasse zones
within as little as 5 years.<br>
<br>
The central part of TEIS has no obvious surface crevasses and smooth
surface topography, except for the surface expression of a
pronounced basal channel aligned parallel to ice flow. Despite this
smooth surface, ground-penetrating radar shows a weak zone of thin
ice and complex basal topography, including numerous basal
crevasses, that is not in local hydrostatic equilibrium. This local
disequilibrium suggests the presence of elevated vertical shear
stresses that further weaken this critical part of the ice shelf.
GPS stake network observations show no measurable regional strain in
the horizontal plane because large-scale flow is being accommodated
by the lateral shear margin.<br>
<br>
In the near future, the propagating rifts are likely to intersect
this weak zone, triggering rifting along the basal crevasses and,
subsequently, along the basal channel and a into secondary set of
basal crevasses on the eastern side of the basal channel. This
``zigzag’’ rift sequence would disconnect the main flow from the
influence of the pinning point (and compressive arches) and will
ultimately lead to a complete disintegration of the ice shelf.<br>
<a class="moz-txt-link-freetext" href="https://images.dailykos.com/images/1276150/large/Paper_978762_abstract_922569_0.png?1708781356">https://images.dailykos.com/images/1276150/large/Paper_978762_abstract_922569_0.png?1708781356</a><br>
The Thwaites Eastern Ice Shelf is the floating terminus of the
Thwaites Glacier, one of the fastest changing glaciers in Antarctica
and contributing as much as 4\% of global sea level rise today. This
floating ice shelf is stabilized offshore by a marine shoal and acts
as a dam to slow the flow of ice off the continent into the ocean.
If this floating ice shelf breaks apart, the Thwaites Glacier will
accelerate and its contribution to sea level rise will increase by
as much as 25\%. Over the last several years, satellite radar
imagery shows many new fractures opening up. Similar to a growing
crack in the windshield of a car, a slowly growing crack means the
windshield is weak and a small bump to the car might cause the
windshield to suddenly break apart into hundreds of panes of glass.
We have mapped out weaker and stronger areas of the ice shelf and
suggest a “zig-zag” pathway the fractures might take through the
ice, ultimately leading to break up of the shelf in as little as 5
years, which result in more ice flowing off the continent.<br>
The media will never tell you, but the eastern ice shelf is
collapsing as I type...<br>
[ more at Daily Kos
<a class="moz-txt-link-freetext" href="https://www.dailykos.com/stories/2024/2/24/2225146/-Massive-damage-at-Thwaites-Glacier">https://www.dailykos.com/stories/2024/2/24/2225146/-Massive-damage-at-Thwaites-Glacier</a>
]<br>
<a class="moz-txt-link-freetext" href="https://www.dailykos.com/stories/2024/2/24/2225146/-Massive-damage-at-Thwaites-Glacier">https://www.dailykos.com/stories/2024/2/24/2225146/-Massive-damage-at-Thwaites-Glacier</a><br>
<p>- -</p>
<i>[ look for #3 coming soon in the USIceDrilling video channel ]</i><br>
<a class="moz-txt-link-freetext" href="https://www.youtube.com/@USIceDrillingVideos/videos">https://www.youtube.com/@USIceDrillingVideos/videos</a><br>
<p><br>
</p>
<p><br>
</p>
<i>[ The Weather Network - presents a series of news videos ]</i><br>
Published on Feb. 12, 2024, 7:30 AM<br>
<b>Atlantic Ocean is headed for a tipping point − once melting
glaciers shut down the Gulf Stream, we would see extreme climate
change within decades, study shows</b><br>
Written by René van Westen, Utrecht University; Henk A. Dijkstra,
Utrecht University, and Michael Kliphuis, Utrecht University<br>
<a class="moz-txt-link-freetext" href="https://www.theweathernetwork.com/en/news/climate/impacts/atlantic-ocean-is-headed-for-a-tipping-point-circulation-system-in-danger">https://www.theweathernetwork.com/en/news/climate/impacts/atlantic-ocean-is-headed-for-a-tipping-point-circulation-system-in-danger</a>
<p>- -
</p>
<p></p>
<i>[ from Yale Climate Communication ]</i><br>
<b>Your guide to 2024’s best environmental films</b><br>
Five highlights from the 2024 Wild and Scenic Film Festival — and
how to host your own mini festival this weekend.<br>
by DAISY SIMMONS<br>
FEBRUARY 21, 2024In Nevada City, California, an environmental film
festival kicked off to good news when the gold country community
decisively rejected a proposed new gold mine. Between news that the
board of supervisors had just unanimously denied the bid to reopen
an old mine and the fact that 100+ inspiring films were set to
screen around town this February weekend, the sense that community
action can and does pay off was unusually clear at South Yuba River
Citizens League’s 22nd Wild and Scenic Film Festival in Nevada City
and Grass Valley, California.
<p> After all, during the 2023 festival weekend, dozens of locals
had taken to the main street with yellow signs and “hey hey, ho
hos” rallying in opposition to the mine. What a difference a year
(and the hard work of committed people) makes.<br>
<br>
“Today we stopped the mine!” said South Yuba River Citizens League
Executive Director Aaron Zettler-Mann to whoops and cheers at this
year’s opening reception — held with standing-room-only in a
historic stonewalled room that’s rumored to be haunted, as
specialty and nonalcoholic brews alike flowed freely from festival
sponsor Sierra Nevada. After other welcoming remarks by Shelly
Covert, the spokesperson for the Nevada City Rancheria Nisenan
Tribe; and comments on the state’s experiences of climate change
from Wade Crowfoot, California’s Natural Resources Secretary;
Nevada City Mayor Daniela Fernández rounded out the program by
expressing a feeling shared by many in the room: “Hope sometimes
feels more fleeting than ever, but here I’m reminded what
resiliency and hope look like.” <br>
<br>
From that point on through the rest of the February weekend, an
action-packed agenda kept attendees like me booking it between
film screenings and related events — from fireside chats, coffee
talks, hikes, and even a special rock-climbing session with
filmmakers, to workshops on watershed restoration, sustainable
investing, and youth activism. And in keeping with the festival
motto “where activism is inspired,” volunteers collected more than
500 signatures for a petition to protect California salmon. </p>
<p>- -</p>
<p><b>Five highlights from this year’s Wild and Scenic Film Festival</b><br>
Ready to experience some of the inspiration for yourself? Read on
for five big takeaways from this year’s selection, and learn how
to screen some of them in the comfort of your own home by checking
out the virtual festival, which continues through Feb. 25, 2024.<br>
<br>
<b>1. “Hey hey, ho ho, [XYZ] has got to go!”</b> Festival HQ aka
Nevada County was by no means the only community organizing
against the odds to protect planet and people. The feature-length
documentary “Patrol” (1:23) zooms in on an Indigenous community
defending Nicaraguan rainforests from deforestation in the form of
cattle farms. Reportedly illegal to screen in Nicaragua, the film
highlights animal agriculture as one of the biggest drivers of
biodiversity loss and a major driver of climate change — while
painting a stirring portrait of a people fighting to defend their
homelands. (Watch the trailer or unlock the film session here
through Feb. 25, 2024.)<br>
<br>
Shorter standouts of activism in other parts of the world include
“Burning Injustice,” an 18-minute short featuring Latino
farmworkers in central California rallying against one of the
state’s last waste incinerators, and “Keepers of the Land,” a
28-minute look at the Kitasoo Xai’xais Nation’s quest to reclaim
its rightful power over the land on Canada’s West Coast.<br>
<br>
<b>2. Ripple effects are inevitable, even if at first they’re not
clear.</b> More people are waking up to the truth that what
happens in the Arctic does not stay in the Arctic — a tenet that
rings true for many climate-related issues and actions.<br>
<br>
In “Deep Rising,” (trailer/host a screening) a feature executive
produced and narrated by Jason Momoa (aka Aquaman), we get a
behind-the-scenes look at the often hidden but accelerating race
to mine minerals from the ocean floor, against a backdrop of
beautiful cinematography of rarely seen and unfathomably fragile
creatures of the deep. While a massive seabed extraction outfit
promotes its efforts as essential to the energy transition, the
1:33-hour feature-length film casts dark light on that platform
saying there’s not been nearly enough time for real scientific
assessment on the impacts of deep-sea mining, arguing that
“critical minerals are not the solution; they are the new oil.”<br>
<br>
Instead of extracting more and devastating deep-sea ecosystems —
and in turn, the human communities who live in coastal areas — the
film argues we should put more effort toward harnessing energy
from what we do have readily available, everywhere: oxygen and
hydrogen. Crossing oceans to bring viewers to Papua, New Guinea,
“Deep Rising” reveals a community’s deeply personal response to a
major seabed mining operation that has been in the works and
stands to threaten their way of life. Fortunately for the Papuans,
they have already learned from cautionary tales of other island
communities not to be fooled by smooth-talking outsiders.<br>
<br>
In its U.S. premiere, the Canadian-filmed “Nuked” (1:30) [trailer]
is an Oppenheimer-esque exploration of the long-term impacts of
nuclear testing on the people of the Marshall Islands during the
Cold War — who were told would be taken care of for their
troubles. Spoiler: They were not. Focusing on the human victims of
the nuclear arms race, the film traces the displaced community’s
ongoing struggles even as climate change poses a new existential
threat, ultimately serving as a painful reminder that those most
impacted by climate change are also often least responsible for
it.<br>
<br>
<b>3. We are all invited — or at least we should be.</b> A good
number of films focused on themes of environmental justice and
expanding access to environmental experiences. For example, in
“Farming while Black,” (1:15) Afro-Indigenous farmers employ
regenerative agricultural practices as a key solution to climate
change. (Click here for an excerpt of the film discussing carbon
reduction and the impacts of industrial agriculture.) An entire
session was dedicated to The Sense of Belonging, with four films
exploring different connections within nature, sport, and family
history to reflect on tales of immigration and people’s sense of
being part of a larger whole.<br>
<br>
Inclusive sustainability also means helping expand access to
nature for people from diverse backgrounds, as seen in films such
as “Inward” (22 min), where an artist explores what it means to be
a Black man in nature, “Apayauq” (16 min), where the first out
transgender woman sets out to complete Alaska’s Iditarod dog sled
race, and “In the Dirt” (40 min), where Navajo leaders work to
expand access to biking in the Nation.<br>
<br>
There are other talent- and interest-based ways we are all
invited, too. Artists, for instance, can participate in climate
change, as evidenced by, among others, “Bright Toh: Unsung Hero,”
about a Cameroonian painter raising awareness for endangered
species with art. Thrill-seekers can also join sustainability
efforts while pursuing adventure sports. For example, in “The
Engine Inside” (1:23), we meet six cycling activists from
different parts of the world, all helping more people realize the
climate, social, and physical benefits of biking. (This one you
can catch streaming online anytime.)<br>
<br>
<b>4. More people are recognizing the connections between mental
health and the environment. </b>Time in nature can be a boon
for mental health, according to several films including “Forward”
(16 min), in which one plus-size woman of color rallies others to
connect on the trail, “Daughter of the Sea” (18 min, S. Korea),
where a woman finds healing from depression in the ocean, and
“Light Beams for Helena” (8 min, Mexico), where a woman scuba
dives to cope with depression.<br>
<b><br>
5. A little inspiration can go a long way </b>… whether it’s a
reminder of the sheer beauty of nature or a piece of great news. A
clear audience favorite in the former category this year was “Out
There: A National Parks Journey” (1.5 hours), which earned a
standing ovation for the attending filmmaker. Spanning a
10,000-mile road trip through the national parks, the film shares
real stories of people’s love for the parks. Gorgeous
cinematography is at heart conservation-oriented, with the
director’s stated intent to inspire future preservation efforts.<br>
<br>
And yes, despite the often discouraging headlines in the world,
good news really is out there, too. Take “Blue Whales: Return of
the Giant” (45 min) for one, an inspirational story of a species
rebounding from the edge of extinction. (Now playing at science
museums across the country.)<br>
<br>
In the category of “hard work can pay off” come several heartening
films, each heralding good news in its own way, whether restoring
sloth habitats in Costa Rica or stopping industrial-scale salmon
farming in Maine.<br>
<br>
How to host your own mini film festival — THIS WEEKEND ONLY<br>
Grab the popcorn: Wild and Scenic is offering a series of virtual
film sessions for $20 a pop to screen at home through this Sunday,
Feb. 25, 2024. The following are a few selections we recommend:<br>
<br>
Art+Nature (11 films): Come for the “Toxic Art,” where an art
professor sets out to convert coal mining pollutants into paint;
stay for the “Losing Blue,” which grapples with the loss of the
otherworldly blues of ancient mountain lakes, now fading due to
climate change and “Inward,” described above. <br>
</p>
<p>Farming Stories (9 films): Regenerative agriculture dominates the
lens in this session, which addresses everything from sustainable
livestock farming in Colorado and coffee, birds, and biodiversity
in Colombia to agave and bat populations in Mexico and ice
harvesting in Maine.</p>
<p>Inspiring Journeys (2 films): Unlock this session to view “Out
There” (featured above), and “Tracing History” about a Chinese
American woman’s journey along American West railroads largely
shaped by her ancestors.</p>
<p>Real Action (9 films): This session leads with “Won’t Give Up,”
the Yo-Yo Ma musical collaboration previously featured on YCC, and
also includes “Healy,” which traces an ice cap polar cruiser as it
explores dwindling sea ice; “Burning Injustice” (detailed above);
“Bright Toh” (see above); and dark comedy “Suzie and Jenny.” <br>
</p>
<p>Got kids? Cue up Wild Child. Got plans that keep you from virtual
festing this weekend but still want to see the films? Check Wild
and Scenic’s On Tour schedule to see if the tour is making its way
to your area. Upcoming stops include Madison, Wisconsin;
Annapolis, Maryland; Flagstaff, Arizona; and many spots in
between. <br>
</p>
<p><a class="moz-txt-link-freetext"
href="https://yaleclimateconnections.org/2024/02/your-guide-to-2024s-best-environmental-films/">https://yaleclimateconnections.org/2024/02/your-guide-to-2024s-best-environmental-films/</a><br>
</p>
<p><br>
</p>
<font face="Calibri"><br>
</font><font face="Calibri"> <i>[The news archive - ]</i></font><br>
<font face="Calibri"> <font size="+2"><i><b>February 26, 2005 </b></i></font>
</font><br>
<font face="Calibri"> </font> February 25, 2005: In a piece on
state-level efforts to address carbon pollution, the Boston
Phoenix's Deirdre Fulton notes:<br>
<blockquote>"Though the United States accounts for almost 25 percent
— more than any other single country — of the world’s
global-warming emissions, advocates say there’s been little
federal action on this issue since at least 2001. That’s when
George W. Bush, echoing concerns that had also been voiced by his
predecessor Bill Clinton, opted out of Kyoto, citing national
economic concerns and calling on developing nations to commit to
greater sacrifices than they do under the current agreement. No
wonder China, India, Mexico, and Brazil signed on, say US and
Australian leaders. They have much less to lose as more stringent
emissions regulations go into effect for other nations worldwide.<br>
<br>
"The US position may or may not be fair, but we do know this much:
it doesn’t move us very far toward addressing the looming problem
of global warming. And that makes regional and state-level efforts
all the more important."<br>
</blockquote>
<a class="moz-txt-link-freetext"
href="http://web.archive.org/web/20050315235150/http://www.bostonphoenix.com/boston/news_features/other_stories/multi_3/documents/04495072.asp">http://web.archive.org/web/20050315235150/http://www.bostonphoenix.com/boston/news_features/other_stories/multi_3/documents/04495072.asp</a><br>
<br>
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