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<font size="+2" face="Calibri"><i><b>February</b></i></font><font
size="+2" face="Calibri"><i><b> 16, 2024</b></i></font><font
face="Calibri"><br>
</font><br>
<i>[ Texas TV crew goes to Arctic methane source - easy to watch
video ]</i><br>
<b>Ancient methane escaping from melting glaciers could potentially
warm the planet even more</b><br>
CBS TEXAS<br>
Dec 6, 2023<br>
Carbon dioxide emissions from cars and factories are the primary
driver of climate change, and can stay in the atmosphere for
hundreds of years.<br>
<a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=VShDVJudNlw">https://www.youtube.com/watch?v=VShDVJudNlw</a><br>
<p><br>
</p>
<br>
<i>[ Nexus Hot News aggregates specific content and sends as daily
content ]<br>
</i><b>Amazon Could Reach Tipping Point By Midcentury:</b> Thanks to
droughts, climate change, and deforestation, the Amazon rainforest
may reach a climate tipping point as soon as 2050, new research
finds. A study published Wednesday in the journal Nature looked at
five major factors impacting water stress in different regions of
the Amazon, analyzing them with factors that could push a region
towards a tipping point where it could become grasslands or forest
with degraded canopies or cover. The study found that 10% of the
Amazon is at high risk of reaching that tipping point, while up to
47% could also transform by 2050. The study also finds that 13% of
the Amazon’s original forest has already been completely cleared,
while another 38% of its old-growth forest has been disturbed by
human use of land and repeated droughts. “We have to expect things
happening earlier than we thought,” Bernardo Flores, lead author
of the study, told the Guardian. “We need to address this with a
very precautionary approach. We must reach net zero emissions and
net zero deforestation as quickly as possible. It needs to be done
now. If we lose the Amazon, it would be problematic for humanity.”
(New York Times $, The Guardian, CNN, NBC)<br>
<a class="moz-txt-link-freetext" href="https://newsletter.climatenexus.org/amazon-could-reach-tipping-point-by-midcentury-louisianas-wetlands-are-drowning-more">https://newsletter.climatenexus.org/amazon-could-reach-tipping-point-by-midcentury-louisianas-wetlands-are-drowning-more</a>
<p><i>- -</i></p>
<i>[ Clips - Wallace-Welles reminds us of the era - this is the
Pyrocene]</i><br>
<b>Fires Are the Sum of Our Choices<i><br>
</i></b>David Wallace-Wells - Opinion Writer<br>
Feb. 14, 2024<br>
In early February, the deadliest South American wildfires in a
century swept through Valparaiso, Chile, killing more than 100
people. It was almost six months to the day since the deadliest
American fires in a century killed more than 100 people when flames
tore through Lahaina, in Maui, burning up much of Hawaii’s
precolonial capital and forcing residents to jump into the ocean for
safety, the flames leaping over them to ignite the boats docked in
the harbor...<br>
<br>
Two record-setting episodes of fire death in half a year might once
have looked like a world-historical ecological coincidence, but it
has been a year of fire extremes — and a year in which the world has
mostly whistled past them. In the United States, mercifully little
land burned — only 2.6 million acres, which was less than half the
recent average. But in Canada, fires ate through more than twice as
much forest as the country’s previous modern record, the total burn
scar large enough that more than half the world’s countries could
fit inside. In Greece, one fire forced the country’s largest-ever
evacuation, and another became the largest fire in the history of
the European Union. And in Australia, the bush fire season has
burned over 150 million acres — three times the land burned last
year in Canada and more than twice as much land as was destroyed in
Australia’s Black Summer of 2019-20, when Sydney Harbor was so
choked with smoke that ferries couldn’t navigate the waters, at
least a billion animals were consumed by flames and panicked
evacuees had to be rescued from a beach by military helicopter...<br>
- -<br>
But... one of the challenges of climate change, even in the present
tense, is that none of us are living in those counterfactual
histories. Instead, we’re living in a timeline in which large gaps
have opened up between the climate we anticipated and the one we are
confronted with, between the infrastructure we built on the basis of
those expectations and the world we might have engineered and
between the standards for safety and preparedness we once had and
the ones we are now revising and haphazardly improvising in the face
of rising threats.<br>
<a class="moz-txt-link-freetext" href="https://www.nytimes.com/2024/02/14/climate/wildfire-climate-change-urban-firestorm.html?unlocked_article_code=1.Vk0.PZmt.bPBb_j-wyBb0&smid=url-share">https://www.nytimes.com/2024/02/14/climate/wildfire-climate-change-urban-firestorm.html?unlocked_article_code=1.Vk0.PZmt.bPBb_j-wyBb0&smid=url-share</a><i><br>
</i>
<p><i><br>
</i></p>
<p><i><br>
</i></p>
<i>[ measuring MCC changes our thinking ]</i><br>
<b>The Mortality Cost of Carbon</b><br>
Paul Beckwith<br>
Feb 14, 2024<br>
An interesting report by GreenPeace UK came out late last year on
the mortality cost of carbon.<br>
<br>
Basically, this report looked at the number of lives lost per ton of
fossil fuel emissions. The idea is that expressing our emissions in
terms of lives lost may make people sit back and take notice. <br>
<br>
Probably not; nothing seems to do this unless an individual loses
their house or loved ones to some climate or extreme weather event
catastrophe. <br>
<br>
Article:<br>
“Todays Emissions, Tomorrows Deaths: How Europes Major Oil and Gas
Companies are Putting Lives at Risk: Greenpeace Netherlands,
December 2023”:
<a class="moz-txt-link-freetext"
href="https://www.greenpeace.org/static/planet4-netherlands-stateless/2023/12/885ced20-layout-cdt-1.pdf">https://www.greenpeace.org/static/planet4-netherlands-stateless/2023/12/885ced20-layout-cdt-1.pdf</a><br>
- -<br>
Peer-reviewed scientific paper:<br>
“The Mortality Cost of Carbon”: <a class="moz-txt-link-freetext"
href="https://www.nature.com/articles/s41467-021-24487-w.pdf">https://www.nature.com/articles/s41467-021-24487-w.pdf</a><br>
<blockquote>“Abstract<br>
Many studies project that climate change can cause a significant
number of excess deaths. Yet, in integrated assessment models
(IAMs) that determine the social cost of carbon (SCC) and
prescribe optimal climate policy, human mortality impacts are
limited and not updated to the latest scientific understanding.
This study extends the DICE-2016 IAM to explicitly include
temperature-related mortality impacts by estimating a
climate-mortality damage function. We introduce a metric, the
mortality cost of carbon (MCC), that estimates the number of
deaths caused by the emissions of one additional metric ton of
CO2. In the baseline emissions scenario, the 2020 MCC is 2.26 ×
10‒4 [low to high estimate −1.71× 10‒4 to 6.78 × 10‒4] excess
deaths per metric ton of 2020 emissions. This implies that adding
4,434 metric tons of carbon dioxide in 2020—equivalent to the
lifetime emissions of 3.5 average Americans—causes one excess
death globally in expectation between 2020-2100. Incorporating
mortality costs increases the 2020 SCC from $37 to $258 [−$69 to
$545] per metric ton in the baseline emissions scenario. Optimal
climate policy changes from gradual emissions reductions starting
in 2050 to full decarbonization by 2050 when mortality is
considered.”<br>
</blockquote>
Extremely interesting paper…<br>
<a class="moz-txt-link-freetext"
href="https://www.youtube.com/watch?v=5q-JjQr5U6w">https://www.youtube.com/watch?v=5q-JjQr5U6w</a><br>
<p><br>
</p>
<p><br>
</p>
<i>[ Ice cold, now warming and melting, like making a salad ]</i><br>
<b>Land cover changes across Greenland dominated by a doubling of
vegetation in three decades</b><br>
Michael Grimes, Jonathan L. Carrivick, Mark W. Smith & Alexis J.
Comber <br>
Scientific Reports volume 14, Article number: 3120 (2024) Cite this
article<br>
224 Altmetric<br>
<blockquote> <b>Abstract</b><br>
Land cover responses to climate change must be quantified for
understanding Arctic climate, managing Arctic water resources,
maintaining the health and livelihoods of Arctic societies and for
sustainable economic development. This need is especially pressing
in Greenland, where climate changes are amongst the most
pronounced of anywhere in the Arctic. Ice loss from the Greenland
Ice Sheet and from glaciers and ice caps has increased since the
1980s and consequently the proglacial parts of Greenland have
expanded rapidly. Here we determine proglacial land cover changes
at 30 m spatial resolution across Greenland during the last three
decades. Besides the vastly decreased ice cover (− 28,707
km2 ± 9767 km2), we find a doubling in total areal coverage of
vegetation (111% ± 13%), a quadrupling in wetlands coverage
(380% ± 29%), increased meltwater (15% ± 15%), decreased bare
bedrock (− 16% ± 4%) and increased coverage of fine unconsolidated
sediment (4% ± 13%). We identify that land cover change is
strongly associated with the difference in the number of positive
degree days, especially above 6 °C between the 1980s and the
present day. Contrastingly, absolute temperature increase has a
negligible association with land cover change. We explain that
these land cover changes represent local rapid and intense
geomorphological activity that has profound consequences for land
surface albedo, greenhouse gas emissions, landscape stability and
sediment delivery, and biogeochemical processes.<br>
</blockquote>
<a class="moz-txt-link-freetext"
href="https://www.nature.com/articles/s41598-024-52124-1">https://www.nature.com/articles/s41598-024-52124-1</a><br>
<p>- - </p>
<p>Greenland Getting Greener: Greenland has lost around 1.6% of its
total ice cover since the 1980s Both plant-filled landscapes and
barren rock absorb more sunlight than ice cover, leading to a
feedback loop that creates overall hotter conditions. “The
expansion of vegetation, occurring in tandem with the retreat of
glaciers and the ice sheet, is significantly altering the flow of
sediments and nutrients into coastal waters,” Michael Grimes, the
lead author of the report, told the Guardian. “These changes are
critical, particularly for the Indigenous populations whose
traditional subsistence hunting practices rely on the stability of
these delicate ecosystems. Moreover, the loss of ice mass in
Greenland is a substantial contributor to global sea level rise, a
trend that poses significant challenges both now and in the
future.” </p>
<p><br>
</p>
<p><br>
</p>
<font face="Calibri"> <i>[The news archive - cough, cough ]</i></font><br>
<font face="Calibri"> <font size="+2"><i><b>February 16, 2002 </b></i></font>
</font><br>
<font face="Calibri"> </font> February 16, 2002: In response to
President George W. Bush's February 14, 2002 speech on climate
change, the New York Times editorial page declares: <br>
<blockquote> "The obvious conclusion to be drawn from President
Bush's latest global warming strategy, unveiled this week, is that
he does not regard warming as a problem. There seems no other way
to interpret a policy that would actually increase the gases
responsible for heating the earth's atmosphere. That the policy
demands little from the American people, while insulting allies
who have agreed to take tough steps to deal with the problem, only
adds to one's sense of dismay."<br>
</blockquote>
<a class="moz-txt-link-freetext"
href="http://www.nytimes.com/2002/02/16/opinion/backward-on-global-warming.html">http://www.nytimes.com/2002/02/16/opinion/backward-on-global-warming.html</a>
<br>
<br>
<p><font face="Calibri"> </font><font face="Calibri"><br>
=== Other climate news sources
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Newsletters<br>
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top headlines deliver the full story, for free.<br>
</font> <font face="Calibri"><a class="moz-txt-link-freetext"
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