[✔️] January 15, 2023- Global Warming News Digest - basic explanations
Richard Pauli
Richard at CredoandScreed.com
Sun Jan 15 10:19:58 EST 2023
/*January 15, 2023*/
/[ Clip from BBC explaining California wet and dry - a minute +plus ] /
*Daniel Swain on California's Flood/Drought Whiplash*
greenmanbucket
2.59K subscribers
Jan 14, 2023
BBC Interview with climate scientist Daniel Swain of the Center for
Atmospheric Research in Boulder, CO.
https://www.youtube.com/watch?v=d_URLZeQdE8
/[ Easy to understand, simple explanation from respected scientist --and
no deep math nor complex chemistry -- 18 min video ]/
*Hydrogen Will Not Save Us. Here's Why.*
Sabine Hossenfelder
39,786 views Jan 14, 2023 #science #technology #climate
Replacing fossil fuel with hydrogen seems like an ideal solution to make
transportation environmentally friendly and to provide a backup for
intermittent energy sources like solar and wind. But how environmentally
friendly is hydrogen really? And how sustainable is it, given that
hydrogen fuel cells rely on supply of rare metals like platinum and
iridium? In this video, we have collected all the relevant numbers for you.
👉 Transcript and References on Patreon ➜ https://www.patreon.com/Sabine
00:00 Intro
00:49 Hydrogen Basics
03:39 The Hydrogen Market
06:04 The Colours Of Hydrogen
12:11 Water Supply
13:34 The Cold Start Problem
14:05 Rare Metal Shortages
15:55 Hydrogen Embrittlement
16:45 Summary
18:16 Protect Your Privacy with NordVPN
https://www.youtube.com/watch?v=Zklo4Z1SqkE
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/[ More science - superb text article - and an audio read ]/
*How We Came to Know and Fear the Doomsday Glacier*
We’re only beginning to understand Antarctica’s Thwaites, the world’s
most vulnerable glacier
Marissa Grunes, Hakai
January 10, 2023
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Thwaites and its neighbor Pine Island Glacier drain about one-third of
the West Antarctic Ice Sheet—the ice sheet extending west from the
natural dividing line of the Transantarctic Mountains. The two glaciers
are breaking up into icebergs far more quickly than new ice can be
created. Already they contribute five percent of annual sea level rise,
or roughly 0.18 millimeters annually: the equivalent of dumping over 20
million Olympic-sized swimming pools into the ocean each year. And if
Thwaites collapses, its shape and location mean the rest of the West
Antarctic Ice Sheet could go with it. All told, that’s enough water to
raise sea levels by over three meters, redrawing coastlines and
transforming the planet we know...
- -
The next generation of polar researchers responded to these developments
at the bottom of the world. David Holland, a Canadian mathematician
interested in modeling ocean-water-air interactions, had been on the
second plane to land atop Pine Island Glacier in 2007. He knew that
ocean currents respond principally to wind and other atmospheric
patterns, and had developed a sophisticated weather station to find out
what the atmosphere was up to. He and two assistants camped out on Pine
Island Glacier five summers in a row before they shifted their focus to
Thwaites.
They were still figuring out where to focus their research, he explains.
Building on previous work, Holland’s team started at Pine Island. But,
he says, “while we were there, we thought, Shouldn’t we be next door at
Thwaites?”
The storms around Thwaites and its vast extent make it especially
difficult to study. In 2004, a joint project between the United States
and the United Kingdom had included the first systematic airborne survey
of the topography beneath Thwaites, revealing patterns of ice flow into
the glacier’s interior and its connection to the surrounding ice sheet.
The scope of its possible impact was becoming clear.
Thwaites is larger than Pine Island Glacier—much, much larger. It has a
wide front—over 120 kilometers—and its base slopes steeply down to
nearly 1,000 meters below sea level. These dimensions give the warm
ocean water a lot of ice to work with. Moreover, Thwaites’s catchment
basin, meaning the ice that flows into the glacier, is around 700
kilometers long, the distance from Boston, Massachusetts, to Washington,
DC. In short, it’s the perfect candidate for collapse on a massive
scale. Today, Thwaites contributes more sea level rise than Pine Island
Glacier by a factor of four to one.
For decades, though, the focus had been on Pine Island Glacier. The two
glaciers are neighbors—but on an Antarctic scale of over 50 kilometers
of thick sea ice between the most accessible ice fronts. In fact, since
earlier cruises had been so intent on reaching Pine Island Glacier, it’s
possible that nobody saw Thwaites from shipboard until 2019. And as
Holland found when he sailed there in January 2022, the glacier’s
disintegration is making it even harder to reach.
Headlines in December 2021 announced that the Thwaites ice shelf might
“shatter like a car windscreen” within five years. That’s hard to say
for sure. We do know that the floating ice shelf acts like a buttress,
keeping Thwaites’s inland, grounded ice stable. We also know that the
ice shelf is fracturing into icebergs at unprecedented rates. If the
ocean drives the grounding line back too far, it can cause runaway melting.
Thwaites is a cork in the bottle of West Antarctica. Its vast size and
central position mean that its collapse could trigger a reaction across
the entire West Antarctic Ice Sheet. It’s possible this happened around
125,000 years ago, when sea levels were about six to nine meters higher
than today. West Antarctica won’t fall apart overnight. It might take a
few hundred years. But if it does happen—as many researchers fear it
will—it will redraw global coastlines.
Unusually warm ocean currents are melting the ice. Those currents are
driven by shifting wind patterns: stronger winds displace cold surface
water, allowing deep warmer water to rise up and pour over the
continental shelf into the marine basin beneath the glaciers. The winds,
in turn, respond to one thing: changes in air temperature. And those
changes are caused by greenhouse gas emissions.
In short, Holland says, “the winds will change the ocean, the ocean will
melt Antarctica—and the water is coming to visit you.” There is evidence
that atmospheric changes can raise sea levels by several meters within
the space of a century. But the systems are so complex that they’re hard
to predict. We have apps on our phone to tell us the weather tomorrow,
Holland remarks, but we’re a long way from having such apps for the
ocean or ice sheets. In fact, the Intergovernmental Panel on Climate
Change asserts that predicting the “dynamic contribution” of ice sheets
“remains the key uncertainty” in sea level rise projections.
Science is a fallible, communal human process; it moves by slow
self-correction, threading its way through uncertainties like a ship
among icebergs. In Pine Island Bay, where the ocean charts themselves
are still being updated, precision is vital. But precision takes time,
and Thwaites’s time seems to dwindle with each new study.
https://www.smithsonianmag.com/science-nature/how-we-came-to-know-and-fear-the-doomsday-glacier-180981392/
https://hakaimagazine.com/features/how-we-came-to-know-and-fear-the-doomsday-glacier/
/[ He's a media-anointed saint of the "Techno-fides" religion ( faith
in technology) ]/
*Bill Gates: We will overshoot 1.5 degrees Celsius of global warming,
nuclear can be ‘super safe’ and fake meat will eventually be ‘very good’*
PUBLISHED FRI, JAN 13 2023
Catherine Clifford
KEY POINTS
-- The world will not be able to avoid overshooting the goal
established in the 2015 Paris Climate Accord to limit global warming
to, ideally, 1.5 degrees Celsius compared to pre-Industrial levels,
Bill Gates told Reddit users on Wednesday.
-- While it’s “great” if people want to be vegan, Gates doesn’t
think most people will do that and thinks that alternative meat
products will “eventually” be “very good.”
-- Individuals who want to contribute to climate change mitigation
can do thinks like vote, buy an electric car and stay optimistic.
- -
“The pace of innovation is really picking up even though we won’t make
the current timelines or avoid going over 1.5,” Gates wrote in response
to a question about how well the world is responding to climate change...
- -
“You are a voter, a consumer, a giver and a worker. In every one of
those roles you can help,” Gates wrote.
https://www.cnbc.com/2023/01/13/bill-gates-we-will-overshoot-1point5-degrees-of-global-warming.html
- -
/[ from Reddit ]/
*I’m Bill Gates, and I’m back for my 11th AMA. Ask Me Anything*
Feel free to ask what I’m excited about in the year ahead, our work
at the foundation, or anything else.
Proof: https://twitter.com/BillGates/status/1613272185342414848
Update: It looks like I’m out of Diet Coke, so it must be time to
wrap things up. Thanks for all the great questions!
https://www.reddit.com/r/IAmA/comments/109eze3/im_bill_gates_and_im_back_for_my_11th_ama_ask_me/
/[ California reservoirs, machine reading - video ]/
*California Reservoirs are filling quickly, boosting water supplies
after years of drought*
Every News
107,439 views Jan 13, 2023
https://www.youtube.com/watch?v=OhJFfFW5JtA
/[ Greta watch BBC ]/
*Lützerath: Greta Thunberg joins 'Pinky' and 'Brain' tunnel protest*
By Paul Kirby & Sira Thierij
BBC News
Swedish climate activist Greta Thunberg has denounced "police violence"
in removing climate protesters trying to stop an abandoned village being
swallowed up by an open coal mine.
The last resident left Lützerath in western Germany more than a year ago
and police moved in to clear activists from the site on Wednesday.
Many of the protesters have gone but two protesters nicknamed "Pinky"
and "Brain" are holed up in a tunnel.
Others are waiting in treehouses.
Several thousand supporters are expected to attend a big rally on
Saturday in the neighbouring village of Keyenberg.
The police operation in Lützerath, now owned by energy firm RWE, has
proved awkward for the government as Germany's Vice-Chancellor Robert
Habeck is a leading figure in the Greens.
Germany has promised to phase out coal-fired power by 2030, bringing
forward the date from 2038, and Lützerath is expected to be the final
village to be swallowed up by the Garzweiler opencast mine. RWE said the
coal under the village would be needed as early as this winter.
But the climate protesters have been buoyed by public support, with a
survey suggesting 59% of Germans are against the lignite mine expanding.
Lützerath has become a symbol for activists from all over Germany.
"People are already suffering in the global south. Here we're privileged
and able to protest and we have to use this privilege to stop the use of
fossils," one activist told the BBC.
As police moved in on Wednesday, protesters formed human chains, and
took to treehouses or rooftops in the village.
Most had been cleared by Friday, when the focus turned to two young men
in a tunnel they had dug beneath Lützerath.
Sitting beside a bouquet of flowers, the two protesters have posted
videos on YouTube in which they call themselves Pinky and Brain, taken
from an animated cartoon about lab rats in the late 1990s.
"We're trying to make this last as long as possible so the people
upstairs have time to mobilise even more and make the protest even
bigger," they said on Thursday night.
"It's much harder to evict a tunnel than a tree house. They don't know
exactly where [we] are. All the ways in are barricaded with doors, so
getting inside will be a lot harder."
Aachen police chief Dirk Weinspach said his team were trying to
communicate with the two underground protesters and warned that the
tunnel was in danger of collapse.
Responding to Greta Thunberg's accusations of violence, the police chief
said the Swedish activist had made no attempt to speak to authorities
about what was going on and had made only a brief visit during which she
spoke to the media.
Like the Greens, many of Chancellor Olaf Scholz's Social Democrats are
unhappy with the operation to clear the village and believe it runs
counter to Germany's commitment to limiting global warming to 1.5 degrees.
Mr Scholz rejected the protesters' claims that using the lignite
deposits from Lützerath would put Germany's climate goals in danger.
"It's exactly the other way around - we're working politically to
achieve our climate goals."
https://www.bbc.com/news/world-europe-64261197
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/[ activist Eliot Jacobson drinks and expounds in this personal,
informative video - over a hour long, sort of entertaining video ]/
*California Rainpocalypse Ask Me Anything for January 14, 2023*
Climate Casino
This is an AMA "ask me anything" Live on YouTube video.
Links for today's video:
https://www.climatecasino.net
Contact: Twitter @EliotJacobson
Mastodon @EliotJacobson at toad.social
====================================
/[ his YouTube channel is the Climate Casino
https://www.youtube.com/@ClimateCasino ]/
https://www.youtube.com/watch?v=amfdh1mOgbU
//
/
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/[The news archive - looking back at government control of language ]/
/*January 15, 2013*/
January 15, 2013: Think Progress reports: "Virginia’s legislature
commissioned a study to determine the impacts of climate change on the
state’s shores. After Tea Party complaints, lawmakers [removed] the
words 'climate change' and “sea level rise” from the title.
"This week, Virginia released its analysis, under the title 'Recurrent
Flooding Study for Tidewater Virginia.' The report discusses the threat
of flooding and rising sea levels to coastal Virginia, but gives less
notice to the causes of climate change."
http://thinkprogress.org/politics/2013/01/15/1448711/virginia-waters-down-report-on-impacts-of-climate-change-after-tea-party-complaints/
- -
*Virginia Waters Down Report On Impacts Of Climate Change After Tea
Party Complaints*
REBECCA LEBER
JAN 15, 2013
Earlier this year, Virginia’s legislature commissioned a study to
determine the impacts of climate change on the state’s shores. After
Tea Party complaints, lawmakers approved the report on condition it
strike the words “climate change” and “sea level rise” from the title.
This week, Virginia released its analysis, under the title
“Recurrent Flooding Study for Tidewater Virginia.” The report
discusses the threat of flooding and rising sea levels to coastal
Virginia, but gives less notice to the causes of climate change.
State Delegate Chris Stolle (R), a climate denier himself, deemed
terms like “sea level rise” “liberal code words” and insisted on
cutting them from the report’s description. The Virginia Tea Party
originally slammed the study as “more ridiculous studies designed to
separate us from our money and control all land and water use.”
The science backing climate change is noncontroversial. Even the
modified report recognizes the reality of the changing climate:
*Sea level rise in Virginia is a documented fact.* Water levels
in Hampton Roads have risen more than one foot over the past 80
years. The causes of this rise are well understood and current
analyses suggest the rate of rise is increasing.
Despite the report’s concrete recommendations that Virginia “should
immediately begin comprehensive and coordinated planning efforts,”
lawmakers have already decided to ignore it, even though Virginia
cities spend millions each year elevating roads and replacing piers
to withstand flooding. The Virginian-Pilot writes, “State Sen. Ralph
Northam, a Democrat who represents Norfolk and the Eastern Shore,
and who was a co-patron of the study request last year, said he has
no plans to introduce legislation on sea level rise this year.
Neither does state Del. Chris Stolle, R-Virginia Beach, who also was
a co-patron of the study last year.”
https://web.archive.org/web/20190612165125/https://thinkprogress.org/virginia-waters-down-report-on-impacts-of-climate-change-after-tea-party-complaints-f74833cde5db/
=======================================
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