Unless our descendents take charge of the solar system and then sun? Profoundly 
impossible today, as we cannot even get solar power pushed effectively. 
Tomorrow? I'd bet on it, if we survive Putin & Xi?


-----Original Message-----
From: Lawrence Crowell <goldenfieldquaterni...@gmail.com>
To: Everything List <everything-list@googlegroups.com>
Sent: Mon, Aug 22, 2022 6:38 am
Subject: Re: What Threshold Threat of CO2

Clouds will not go away completely until a billion years from now when Earth 
becomes overheated by the increase in solar luminosity. Our actions are 
temporal and rather transient in the geological timeframe of the planet. 
LC

On Sunday, August 21, 2022 at 6:25:45 PM UTC-5 smi...@zonnet.nl wrote:

https://www.quantamagazine.org/cloud-loss-could-add-8-degrees-to-global-warming-20190225/

"Climate physicists at the California Institute of Technology performed 
a state-of-the-art simulation of stratocumulus clouds, the low-lying, 
blankety kind that have by far the largest cooling effect on the planet. 
The simulation revealed a tipping point: a level of warming at which 
stratocumulus clouds break up altogether. The disappearance occurs when 
the concentration of CO2 in the simulated atmosphere reaches 1,200 parts 
per million — a level that fossil fuel burning could push us past in 
about a century, under “business-as-usual” emissions scenarios. In the 
simulation, when the tipping point is breached, Earth’s temperature 
soars 8 degrees Celsius, in addition to the 4 degrees of warming or more 
caused by the CO2 directly.

Once clouds go away, the simulated climate “goes over a cliff,” said 
Kerry Emanuel, a climate scientist at the Massachusetts Institute of 
Technology. A leading authority on atmospheric physics, Emanuel called 
the new findings “very plausible,” though, as he noted, scientists must 
now make an effort to independently replicate the work.

To imagine 12 degrees of warming, think of crocodiles swimming in the 
Arctic and of the scorched, mostly lifeless equatorial regions during 
the PETM. If carbon emissions aren’t curbed quickly enough and the 
tipping point is breached, “that would be truly devastating climate 
change,” said Caltech’s Tapio Schneider, who performed the new 
simulation with Colleen Kaul and Kyle Pressel.

Huber said the stratocumulus tipping point helps explain the volatility 
that’s evident in the paleoclimate record. He thinks it might be one of 
many unknown instabilities in Earth’s climate. “Schneider and co-authors 
have cracked open Pandora’s box of potential climate surprises,” he 
said, adding that, as the mechanisms behind vanishing clouds become 
clear, “all of a sudden this enormous sensitivity that is apparent from 
past climates isn’t something that’s just in the past. It becomes a 
vision of the future.”"

Saibal



On 18-08-2022 16:42, Philip Benjamin wrote:
> WHAT THRESHOLD THREAT OF CO2 FROM CLIMATE CHANGE?
> 
> https://news.yahoo.com/solar-storm-strike-earth-direct-101857176.html
> "Solar storm about to strike Earth in a direct hit" Adam Smith Mon,
> July 18, 2022 at 5:18 AM Solar effects (sunspots, solar storms etc.)
> etc. will certainly affect the wind systems of the globe. That has
> nothing to do with CO2 quantities!! The pseudoscience of climatology
> (not meteorology) which is now an integral part of a worldwide pagan
> religion, contrary to the Augustinian 'awakened' consciousness.
> (https://www.midwestaugustinians.org/conversion-of-st-augustine,
> https://www.history.com/topics/british-history/great-awakening).
> 
> An estimated 1,050 wildfires worldwide produced global CO2
> emissions of 76 billion tons in 2021. That is on the average ~ 3
> forest fires each day, producing ~ 78 billion tons of CO2/day. The
> petroleum burning per year is 5.1/ 150 = ~ 1/30 = ~ 0.03 trillion
> tons of CO2 = 3 x 10^-2 x10^12 = ~ 30 billion tons of CO2/year. Which
> is a threat? What is the threshold of CO2 doom?
> 
> https://earthobservatory.nasa.gov/images/8349/cold-and-snow
> [1]. The climatic SNOW LINE is about 15,000 ft above sea level at the
> equator and 19,000 ft in the Himalayas. It is progressively lower as
> the latitude increases, to just below 9,800 ft in the Alps. The
> reduced volume of melting of _glaciers & icebergs (about 90% below the
> water surface) can only lower the sea level. The melting of_ mountain
> ice alone cannot dangerously raise the sea level; for those very
> powerful forces (not by CO2 !!) will be required to bring up the
> humongous subterranean water beds.
> 
> Destroy the petroleum industries, then even the battery
> industry will be destroyed because some of the 6000 byproducts of
> petroleum are indispensable for battery production also. Industries
> cannot keep an oil refinery open just for batteries! Automobile
> battery alone may then cost prohibitively high.
> 
> Philip Benjamin
> 
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> [2].
> 
> 
> Links:
> ------
> [1] https://earthobservatory.nasa.gov/images/8349/cold-and-snow
> [2]
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