[✔️] April 18, 2023- Global Warming News Digest | Antarctic ice melt, Kevin Anderson, Worst case Colorado River, Beckwith , moral equivalent of war.

Tue Apr 18 09:49:48 EDT 2023

/*April*//*18, 2023*/

/[ NPR audio report ] /
*How disappearing ice in Antarctica threatens the U.S.*
April 17, 20234:58 PM ET
Heard on All Things Considered
Rebecca Hersher

    8 Minute listen
    https://ondemand.npr.org/anon.npr-mp3/npr/atc/2023/04/20230417_atc_how_disappearing_ice_in_antarctica_threatens_the_us.mp3?d=482&size=7724348&e=1170371283&t=progseg&seg=4&sc=siteplayer&aw_0_1st.playerid=siteplayer

Galveston, Texas, has some of the fastest sea level rise in the world. 
To protect the city, engineers need to know how fast ice in West 
Antarctica will melt. Scientists are racing to figure it out, often 
camping out on the ice for weeks on end to study the effects of climate 
change.

This story was edited by Neela Banerjee and Sadie Babits. It was 
produced by Ryan Kellman. Special thanks to Sean McConnell of the 
Rosenberg Library in Galveston, Texas, for assistance with archival 
audio and historical records...
https://www.npr.org/2023/04/17/1170371283/how-disappearing-ice-in-antarctica-threatens-the-u-s

/[ Very current science meets with politics to present a respected, 
radical message -- excellent video 1:30]/
*SR Talks | Prof. Kevin Anderson — A Velvet or Violent Climate 
Revolution: Which will we choose?*
Scientist Rebellion
Apr 13, 2023
Abstract: The deliberate failure of national leaders, whether in 
politics, business, journalism or indeed much of academia to be honest 
about the climate emergency has left us facing fundamental questions of 
every facet of modern society. Central amongst these is the issue of 
equity – both between and within nations. In this presentation, Kevin 
Anderson will unpick the policy gulf that exists between the temperature 
and equity commitments enshrined in the Paris Agreement and the emission 
trajectory of so called “developed” countries. He will close by looking 
beyond techno-optimistic solutions, concluding there are now no 
non-radical futures. The choice is between immediate and profound social 
change or waiting a little longer for chaotic and violent social change. 
In 2023 the window for this choice is rapidly closing.
Speaker: Kevin is professor of Energy and Climate Change at the 
University of Manchester and visiting professor at the Universities of 
Uppsala (Sweden) and Bergen (Norway). Formerly he held the position of 
Zennström professor (in Uppsala) and was director of the Tyndall Centre 
for Climate Change Research (UK). Kevin engages widely with governments, 
industry and civil society, and remains research active with 
publications in Climate policy, Nature and Science. He has a decade’s 
industrial experience in the petrochemical industry, is a chartered 
engineer and fellow of the Institution of Mechanical Engineers.

Twitter: https://twitter.com/KevinClimate
Website: https://climateuncensored.com

The presentation builds on the following work:
     - How alive is 1.5°C? [https://bit.ly/3KBJmV7]
     - Phaseout schedules for fossil fuel production 
[https://bit.ly/3KaxWGb]
     - What's in a name? [https://bit.ly/40Z0PMq]
     - The New Denialism [https://bit.ly/40GFEz1]
     - Three decades of failure to bend the emissions curve 
[https://bit.ly/40Z18a2]
     - Critique of the IPCC’s 2023 Synthesis report [https://bit.ly/40L7fzc]

For more information on how get involved with Scientist Rebellion, head 
over to https://linktr.ee/scientistrebellion
https://www.youtube.com/watch?v=VpSWwTjYSj8

/[ Predicting a predicament is part of planning ]/
*The worst-case scenario for drought on the Colorado River*
One in eight Americans depend on a river that’s disappearing.
By Umair Irfan
Apr 17, 2023
Part of the issue The 100-year-old-mistake that’s reshaping the American 
West from The Highlight, Vox’s home for ambitious stories that explain 
our world.

The Colorado River provides water for irrigation, power generation, 
recreation, and habitats for endangered species. But the 40 million 
people who drink from this critical artery have watched it wither amid 
the region’s worst dry spell in more than 1,200 years...
This massive drought, sometimes called a megadrought, settled over the 
Western United States two decades ago, and precious precipitation has 
flowed and faded from year to year. But since 2020, the region has faced 
essentially a drought within a drought. In an already water-sparse 
region, this has led to some of the driest conditions the Western US has 
seen in memory.

“It’s kind of like the slowest-moving freight train that you know is 
going to hit you,” said Cynthia Campbell, water resources management 
adviser for the City of Phoenix. “At the same time, what we’ve seen in 
the last couple of years has been an enormous acceleration that frankly 
we didn’t expect.”
This year, the two largest reservoirs in the US, Lake Mead and Lake 
Powell, saw water levels dip to record lows. The falling waterline 
revealed relics and corpses previously lost for decades, leaving behind 
stark bathtub rings along the surrounding canyons. In turn, the Hoover 
Dam and the Glen Canyon Dam that impound these reservoirs saw their 
hydroelectric power production dwindle...
- -
Over the long term, cutting greenhouse gas emissions would limit future 
warming and thus reduce the chances of major droughts across the 
Colorado River basin. The immediate task, though, is for states along 
the river to come up with a set of cuts they can all agree to.

The Interior Department is also putting together revised guidelines for 
operating the Hoover Dam and the Glen Canyon Dam. “This process will 
help to provide the Department the alternatives and tools needed to 
address the likelihood of continued low-runoff conditions, and therefore 
reduced water availability, across the Basin over the next two years,” a 
spokesperson for the Interior Department said in an email. The agency 
expects to finalize these new guidelines in August.

The snow and rain this past winter have bought some breathing room for 
the discussion, but the worry is that this will be another excuse to 
ship the unavoidable difficult decisions further downstream.

“I think we were just at the point where we were getting people to 
really pay closer attention to this, and we could turn around and lose 
all of that momentum,” Campbell said.
https://www.vox.com/the-highlight/23670139/colorado-river-drought-lake-mead-climate-change-water-cuts

/[  video overview of research papers  ]/
*Almost Everything You Need to Know about Global, Regional, and Local 
Sea Level Rise and Acceleration*
Paul Beckwith
Apr 17, 2023
There is an awful lot to know about sea level rise, and the consequences 
to humanity, as well as to changing carbon sinks and cascading links to 
accelerate already abrupt climate system change.

I cannot possibly cover all these things in one video, so I take a 
scattered, shotgun type approach to bring up a number of important 
aspects and consequences of rapid sea level rise.

Here are some of the topics I chat about in this video:
- how rising sea levels can undercut fresh groundwater near coastlines, 
forcing the less dense groundwater upwards to near the surface and even 
above the surface level to flood inland areas even before the sea water 
rises significantly over the coastlines

- how rising seas make tropical storms much more deadly and costly, 
especially when the storms hit during so-called king tides

- how an indigenous community in Panama is escaping rising seas; this 
community has been in place for many many centuries and has no choice 
but to move inland

- how climate and human impacts have disrupted the hydrological process 
greatly increasing the land area lost in Southern Louisiana

- Puerto Rico has declared a state of emergency on coastal erosion; 
two-thirds of the islands 3.2 million residents live along coastal 
areas, with 20% living in areas at high risk of ocean flooding

- how to access data on the US Nationsl Esruarine Research Reserve 
System (estuaries are brackish meeting places of fresh water rivers and 
the ocean)

- rapid sea level rise of 10 mm per year are occurring along some parts 
of the US East and Gulf Coasts over the past decade

- how the vast Sundarbans Mangrove Forest in southwest Bangladesh is 
responding to climate change impacts including coastal flooding and 
extreme weather events. Mangroves are one of the most carbon dense 
systems on our planet, and are a vital global sink of carbon

- how coastal nuclear power plants (comprising one quarter of the worlds 
working commercial nuclear reactors) are being negatively affected by 
accelerating global sea level rise

- how coastal infrastructure planners use widely varying sea-level rise 
projections for coastal adaptation, or even ignore global SLR completely

- how record rises in global sea level along some Chinese coastlines (10 
mm per year) threaten China; about 45% of China’s population of around 
1.4 billion people, and more than 50% of the counties economic output 
comes from coastal regions

- how climate risk causing flooding is unpriced in US housing markets, 
and thus the residential housing market is overvalued by US $121 to US 
$237 billion dollars. Low-income households are at greater risk, and 
municipalities that are heavily reliant on property taxes for revenue 
(most of them) are very vulnerable to budgetary shortfalls
https://www.youtube.com/watch?v=57VXj7FLf44

/[The news archive - looking back --today, Jimmy Carter is under hospice 
care ]/
/*April 18, 1977*/
April 18, 1977: President Carter declares that the effort needed to 
avert an energy crisis is the "moral equivalent of war."
http://www.presidency.ucsb.edu/ws/index.php?pid=7369

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