Changes in ocean circulation can have a strong impact on regional
climates and can occur quite rapidly, as we may discover later this
century. Ice age climates are even more variable, with the younger
Dryas cooling setting in over less than five years in the Northern Hemisphere, cooling winters several degrees C, while leaving summers unaltered. There is some reason to believe that this event was set
off by volcanic cooling. But at the moment that's just an idea.
Solar. While this doesn't seem to ever amount to much, it does exist,
and if it adds to the above, which it may have done in the little ice
age, it can be significant.
But none of these processes is active now.
of direct observation does not agree with this view.
As to the current warming the question is academic, as the pattern of
warming shows us clearly that this is not due to an increase in solar >output.
"Washington Post Accidentally Admits Earth at Coolest Point in the Last
485 Million Years"
https://legalinsurrection.com/2024/09/washington-post-accidentally-admits-earth-at-coolest-point-in-the-last-485-million-years/
"Arguably, the Earth can be considered in a C02 famine."
"Finally, it’s good to remember none of the climate-hysteria predictions
have come true."
""In five years, scientists predict we will have the first ice-free
Arctic summer."
"John Kerry back in 2009."
Some how i find the Washington Post slip up as lacking
credibility because in the last few Hundred thousans years we
have had Ice Ages which forced humans to develope their social
skills even further.
<https://en.wikipedia.org/wiki/Timeline_of_glaciation>
bliss-who is just a student of such things and unable to throw
scientific credentials around.
On 9/27/2024 12:25 AM, Bobbie Sellers wrote:
On 9/26/24 19:46, Lynn McGuire wrote:
On 9/26/2024 9:33 PM, Bobbie Sellers wrote:Â Â Â Â Â Well we seem to be ending the Holocene Ice Age within then
On 9/26/24 19:12, Lynn McGuire wrote:
"Washington Post Accidentally Admits Earth at Coolest Point in the     Some how i find the Washington Post slip up as lacking
Last 485 Million Years"
https://legalinsurrection.com/2024/09/washington-post-accidentally-
admits-earth-at-coolest-point-in-the-last-485-million-years/
"Arguably, the Earth can be considered in a C02 famine."
"Finally, it’s good to remember none of the climate-hysteria
predictions have come true."
""In five years, scientists predict we will have the first ice-free
Arctic summer."
"John Kerry back in 2009."
Lynn
credibility because in the last few Hundred thousand years we
have had Ice Ages which forced humans to develope their social
skills even further.
     <https://en.wikipedia.org/wiki/Timeline_of_glaciation>
bliss-who is just a student of such things and unable to throw
scientific credentials around.
We are living in an ice age now. Ice ages are loosely defined as
when one or both poles are frozen. Both poles being frozen like now
only happens during 11% of the ice ages.
Lynn
next two centuries. But the plagues Dale Pendell forsaw were not
quite as
deadly.<https://www.goodreads.com/book/show/7821813-the-great-bay>
     He covers the next 16,000 years and of course the present
heating is resolved by the next Ice Age.
     bliss
You know, predictions are hard, especially about the future (Niels Bohr).
Lynn
James Nicoll wrote:
In article <vd9rlv$1dcog$1@dont-email.me>,
William Hyde <wthyde1953@gmail.com> wrote:
of direct observation does not agree with this view.
As to the current warming the question is academic, as the pattern of
warming shows us clearly that this is not due to an increase in solar
output.
Is this a good time to mention the faint young Sun paradox?
For people unfamiliar with it, is the question of how to
reconcile the young sun being 30% dimmer with the young Earth
having liquid water. All things being equal, the Earth should
have been well below freezing (on average) but it wasn't. So
all things weren't equal.
Always a fascinating topic for me.
This is not resolved, but the most common idea is that the thick
atmosphere of the young earth, filled with CO2, H20 and possibly other infrared absorbers (NH3, for example) kept the earth warm. But there is
no consensus on the composition of that atmosphere. Perhaps there
wasn't much in the way of greenhouse gases.
Long ago Dirac came up with an idea, not often mentioned, that certain fundamental constants of the universe change over time, while
maintaining constant ratios with one another.
One of these constants was G, which according to this idea should
decrease over time. Petr Chylek mentioned this idea to me, and I was intrigued because solar output varies as G**7 according to a monograph
by A. D. Vernekar.
Using a simple climate model I was able to put an upper limit on the
Dirac change by considering the early earth.   If the greenhouse effect of that atmosphere was zero, a given increase in G would account for
early climates, a larger one would make the earth too warm.
I went through a bit of a career change at the time and the work, though presented at a number of seminars, was never submitted for publication.
As there is (or was at the time) little interest in Dirac's idea it
would have been difficult to get it in print anyway and more recent ice
ages beckoned.
While looking for some online reference to Dirac's idea I was reminded
yet again of how much Dirac actually did. Even if he had never come up
with the Dirac equation and predicted antimatter, he'd still have been
one of the great scientists of the 20th century.
William Hyde
How ironic given the Canadian navy is buying submarines for the first
itme in 30 years to patrol the Arctic...
The USA has been sending nuclear submarines under the Arctic ice cap
since 1958. It is not anything new.
https://www.bbc.com/future/article/20220503-the-record-breaking-dive-under-the-arctic-ice
and
https://www.reddit.com/r/submarines/comments/oj8vjs/nuclear_submarine_surfaced_through_the_ice_of_the/
On 9/29/24 13:45, William Hyde wrote:
James Nicoll wrote:
In article <vd9rlv$1dcog$1@dont-email.me>,
William Hyde <wthyde1953@gmail.com> wrote:
of direct observation does not agree with this view.
As to the current warming the question is academic, as the pattern of
warming shows us clearly that this is not due to an increase in solar >>>> output.
Is this a good time to mention the faint young Sun paradox?
For people unfamiliar with it, is the question of how to
reconcile the young sun being 30% dimmer with the young Earth
having liquid water. All things being equal, the Earth should
have been well below freezing (on average) but it wasn't. So
all things weren't equal.
Always a fascinating topic for me.
This is not resolved, but the most common idea is that the thick
atmosphere of the young earth, filled with CO2, H20 and possibly other
infrared absorbers (NH3, for example) kept the earth warm. But there is
no consensus on the composition of that atmosphere. Perhaps there
wasn't much in the way of greenhouse gases.
First we should not call it the Young Earth because that
is a creationist theory. I learned that when I searched on the
term.
On 9/27/2024 6:59 PM, William Hyde wrote:
Lynn McGuire wrote:...
"Washington Post Accidentally Admits Earth at Coolest Point in the
Last 485 Million Years"
https://legalinsurrection.com/2024/09/washington-post-accidentally-
admits-earth-at-coolest-point-in-the-last-485-million-years/
The earth was four degrees C colder at the peak of the ice age 21,000
years ago.  So the above is simply not true.
So the little jog down before present time does not cover the 4 C drop ?
If not, do you have a better graph ?
On 9/30/2024 9:18 PM, Lynn McGuire wrote:
On 9/30/2024 7:29 PM, Scott Lurndal wrote:
Lynn McGuire <lynnmcguire5@gmail.com> writes:
On 9/27/2024 6:59 PM, William Hyde wrote:
Lynn McGuire wrote:...
"Washington Post Accidentally Admits Earth at Coolest Point in the >>>>>> Last 485 Million Years"
https://legalinsurrection.com/2024/09/washington-post-accidentally- >>>>>> admits-earth-at-coolest-point-in-the-last-485-million-years/
The earth was four degrees C colder at the peak of the ice age 21,000 >>>>> years ago.  So the above is simply not true.
So the little jog down before present time does not cover the 4 C drop ? >>>>
If not, do you have a better graph ?
I'm sure you have the ability to find one. Just remember to restrict
your search to the scientific literature rather than political
entertainment websites.
Remember the _Readers Guide to Periodic Literature_?
That graph comes from the Washington Post which is not a political
entertainment website. At least not for conservatives.
Lynn
The problem is, it doesn't show useful info, is being used
in a misleading way.
People haven't survived through climate
changes for 485 million years.
They've survived through them for about 2 million, at the
outside. Agricultural society has managed the survive the
climate changes of just the last 10,000.
Here's a chart on a more useful scale: https://xkcd.com/1732/
(check the mouseover :-)
10,000 years ago, the Sahara was a grassland, like our Great
Plains. Now, its a wasteland. That took a change of about 2C.
Many of the great grain growing areas of the world could face
the same fate if temperature goes up another 2C.
We need to fix the climate to what's good for humans. What it was
5 million years ago is irrelevant.
On Fri, 27 Sep 2024 16:32:24 +0000, Cryptoengineer wrote:
15,000 years ago, my location was under 2 miles of ice. This is NOT the
'coolest time in 485 million years. Just looking at the chart,
you can see an uptick at the very end. That uptick includes the
totality of human civilization.
Yes, we're in an interglacial, and Earth has been warmer for most of
the past. That's irrelevant.
Our culture, and the sources of our food, are all tuned to the climate
of the past 15,000 years. Human activity is warming the planet
EXTREMELY rapidly, compared to earlier warmings. The speed is such that
plants and animals can't evolve and adapt.
10,000 years ago, the Sahara desert was green, similar to the Great
Plains. Warming since then has turned it into a wasteland.
We're on track to do that to our main food-growing areas in the next
100 years.
Its imperative that we do what we can to nail the global thermostat to
present temperatures.
Thank you for reminding us of the facts.
A typographical error in the pages of the Washington Post does not
change those facts in any way.
I mean, what if some computer hacker caused the Washington Post to run a story on its front page saying the Earth was flat? Would that prove the
round Earth was a hoax? Obviously not.
On 9/30/2024 9:18 PM, Lynn McGuire wrote:
On 9/30/2024 7:29 PM, Scott Lurndal wrote:
Lynn McGuire <lynnmcguire5@gmail.com> writes:
On 9/27/2024 6:59 PM, William Hyde wrote:
Lynn McGuire wrote:...
"Washington Post Accidentally Admits Earth at Coolest Point in the >>>>>> Last 485 Million Years"
https://legalinsurrection.com/2024/09/washington-post-accidentally- >>>>>> admits-earth-at-coolest-point-in-the-last-485-million-years/
The earth was four degrees C colder at the peak of the ice age 21,000 >>>>> years ago.  So the above is simply not true.
So the little jog down before present time does not cover the 4 C drop ? >>>>
If not, do you have a better graph ?
I'm sure you have the ability to find one. Just remember to restrict
your search to the scientific literature rather than political
entertainment websites.
Remember the _Readers Guide to Periodic Literature_?
That graph comes from the Washington Post which is not a political
entertainment website. At least not for conservatives.
Lynn
The problem is, it doesn't show useful info, is being used
in a misleading way.
People haven't survived through climate
changes for 485 million years.
They've survived through them for about 2 million, at the
outside. Agricultural society has managed the survive the
climate changes of just the last 10,000.
Here's a chart on a more useful scale: https://xkcd.com/1732/
(check the mouseover :-)
10,000 years ago, the Sahara was a grassland, like our Great
Plains. Now, its a wasteland. That took a change of about 2C.
Many of the great grain growing areas of the world could face
the same fate if temperature goes up another 2C.
We need to fix the climate to what's good for humans. What it was
5 million years ago is irrelevant.
pt
On 10/1/2024 4:54 AM, D wrote:
On Mon, 30 Sep 2024, Cryptoengineer wrote:
On 9/30/2024 9:18 PM, Lynn McGuire wrote:
On 9/30/2024 7:29 PM, Scott Lurndal wrote:
Lynn McGuire <lynnmcguire5@gmail.com> writes:
On 9/27/2024 6:59 PM, William Hyde wrote:
Lynn McGuire wrote:...
"Washington Post Accidentally Admits Earth at Coolest Point in the >>>>>>>> Last 485 Million Years"
https://legalinsurrection.com/2024/09/washington-post-accidentally- >>>>>>>> admits-earth-at-coolest-point-in-the-last-485-million-years/
The earth was four degrees C colder at the peak of the ice age 21,000 >>>>>>> years ago.  So the above is simply not true.
So the little jog down before present time does not cover the 4 C drop >>>>>> ?
If not, do you have a better graph ?
I'm sure you have the ability to find one. Just remember to restrict >>>>> your search to the scientific literature rather than political
entertainment websites.
Remember the _Readers Guide to Periodic Literature_?
That graph comes from the Washington Post which is not a political
entertainment website. At least not for conservatives.
Lynn
The problem is, it doesn't show useful info, is being used
in a misleading way.
People haven't survived through climate
changes for 485 million years.
They've survived through them for about 2 million, at the
outside. Agricultural society has managed the survive the
climate changes of just the last 10,000.
Here's a chart on a more useful scale: https://xkcd.com/1732/
(check the mouseover :-)
10,000Â years ago, the Sahara was a grassland, like our Great
Plains. Now, its a wasteland. That took a change of about 2C.
Many of the great grain growing areas of the world could face
the same fate if temperature goes up another 2C.
We need to fix the climate to what's good for humans. What it was
5 million years ago is irrelevant.
pt
Actually no, if it was ok 5 million years ago, that tells us something
about today. We have all learned now that the climate has always varied,
and that there's no need for any fear. With the help of technology, we also >> have an advantage over other small animals, in that we can survive a much
broader ranger of temperatures.
Climate has always varied. And: Most species have gone extinct.
We need to change that.
I don't want humans to go extinct, which means we have to keep
climate within the range we know we can handle.
Its not just a matter of whether we, personally, are comfortable.
Our food species also need to be sustained, and they're a lot
more sensitive than we are.
pt
On 9/30/2024 2:55 AM, The Horny Goat wrote:
On Sun, 29 Sep 2024 16:30:05 -0500, Lynn McGuire
<lynnmcguire5@gmail.com> wrote:
I'm all too aware of that and know it has therefore created issues ofHow ironic given the Canadian navy is buying submarines for the first
itme in 30 years to patrol the Arctic...
The USA has been sending nuclear submarines under the Arctic ice cap
since 1958. It is not anything new.
https://www.bbc.com/future/article/20220503-the-record-breaking-dive-under-the-arctic-ice
and
https://www.reddit.com/r/submarines/comments/oj8vjs/nuclear_submarine_surfaced_through_the_ice_of_the/
national sovereignity. As a Canadian that concerns me.
If they do so with Canadian permission, its isn't a problem.
If they stay more that 12 nautical miles from the coast, and don't
engage in resource harvesting within 200 (the exclusive economic
zone), they're also fine, even without permission.
On Tue, 1 Oct 2024, Cryptoengineer wrote:
On 10/1/2024 4:54 AM, D wrote:
On Mon, 30 Sep 2024, Cryptoengineer wrote:
On 9/30/2024 9:18 PM, Lynn McGuire wrote:
On 9/30/2024 7:29 PM, Scott Lurndal wrote:
Lynn McGuire <lynnmcguire5@gmail.com> writes:
On 9/27/2024 6:59 PM, William Hyde wrote:
Lynn McGuire wrote:...
"Washington Post Accidentally Admits Earth at Coolest Point in the >>>>>>>>> Last 485 Million Years"
https://legalinsurrection.com/2024/09/washington-post-accidentally- >>>>>>>>> admits-earth-at-coolest-point-in-the-last-485-million-years/
The earth was four degrees C colder at the peak of the ice age 21,000 >>>>>>>> years ago.  So the above is simply not true.
So the little jog down before present time does not cover the 4 C drop >>>>>>> ?
If not, do you have a better graph ?
I'm sure you have the ability to find one. Just remember to restrict >>>>>> your search to the scientific literature rather than political
entertainment websites.
Remember the _Readers Guide to Periodic Literature_?
That graph comes from the Washington Post which is not a political
entertainment website. At least not for conservatives.
Lynn
The problem is, it doesn't show useful info, is being used
in a misleading way.
People haven't survived through climate
changes for 485 million years.
They've survived through them for about 2 million, at the
outside. Agricultural society has managed the survive the
climate changes of just the last 10,000.
Here's a chart on a more useful scale: https://xkcd.com/1732/
(check the mouseover :-)
10,000Â years ago, the Sahara was a grassland, like our Great
Plains. Now, its a wasteland. That took a change of about 2C.
Many of the great grain growing areas of the world could face
the same fate if temperature goes up another 2C.
We need to fix the climate to what's good for humans. What it was
5 million years ago is irrelevant.
pt
Actually no, if it was ok 5 million years ago, that tells us something
about today. We have all learned now that the climate has always varied, >>> and that there's no need for any fear. With the help of technology, we also >>> have an advantage over other small animals, in that we can survive a much >>> broader ranger of temperatures.
Climate has always varied. And: Most species have gone extinct.
Yes! This is often forgotten,
when people whine on about species going
extinct.
currently extinct, so it is natural and not something which has to be
stopped at every cost.
We need to change that.
It depends. Could be that the return on investment by letting some small >insignificant species Z, in rainforest Y, go extinct is totally worth it.
We've never had as much food and as little famine on the planet than we
have today. So looking at the trends, we're actually doing better and
better.
Climate has always varied. And: Most species have gone extinct.
Yes! This is often forgotten,
No, it is never forgotten, it is well known by scientists.
Over four point three billion years, it's not even unexpected.
when people whine on about species going
extinct.
Your choice of emotionally loaded verb is noted. And dismissed.
There is legitimate concern about the _rate_ of extinction. Compared
to the rates over the last four billion years, the modern rate is
many times larger.
I think about 94% of the life that ever lived on this planet is
currently extinct, so it is natural and not something which has to be
stopped at every cost.
The _rate_ of extinction is far greater now than at any time
in history (barring certain catestrophic events such as asteroid
impacts).
We need to change that.
It depends. Could be that the return on investment by letting some small
insignificant species Z, in rainforest Y, go extinct is totally worth it.
No, it's not. How do you even compute the RoI for extinction events?
We've never had as much food and as little famine on the planet than we
have today. So looking at the trends, we're actually doing better and
better.
That is not universally true. Where true, it is entirely attributed
to the use of fossil fuels to make fertilizers. Which will, inevitably,
run out. Then what?
"Washington Post Accidentally Admits Earth at Coolest Point in the Last
485 Million Years"
https://legalinsurrection.com/2024/09/washington-post-accidentally-admits-earth-at-coolest-point-in-the-last-485-million-years/
On 10/1/2024 4:54 AM, D wrote:
On Mon, 30 Sep 2024, Cryptoengineer wrote:
On 9/30/2024 9:18 PM, Lynn McGuire wrote:
On 9/30/2024 7:29 PM, Scott Lurndal wrote:
Lynn McGuire <lynnmcguire5@gmail.com> writes:
On 9/27/2024 6:59 PM, William Hyde wrote:
Lynn McGuire wrote:...
"Washington Post Accidentally Admits Earth at Coolest Point in the >>>>>>>> Last 485 Million Years"
https://legalinsurrection.com/2024/09/washington-post-accidentally- >>>>>>>> admits-earth-at-coolest-point-in-the-last-485-million-years/
The earth was four degrees C colder at the peak of the ice age 21,000 >>>>>>> years ago. So the above is simply not true.
So the little jog down before present time does not cover the 4 C >>>>>> drop ?
If not, do you have a better graph ?
I'm sure you have the ability to find one. Just remember to restrict >>>>> your search to the scientific literature rather than political
entertainment websites.
Remember the _Readers Guide to Periodic Literature_?
That graph comes from the Washington Post which is not a political
entertainment website. At least not for conservatives.
Lynn
The problem is, it doesn't show useful info, is being used
in a misleading way.
People haven't survived through climate
changes for 485 million years.
They've survived through them for about 2 million, at the
outside. Agricultural society has managed the survive the
climate changes of just the last 10,000.
Here's a chart on a more useful scale: https://xkcd.com/1732/
(check the mouseover :-)
10,000 years ago, the Sahara was a grassland, like our Great
Plains. Now, its a wasteland. That took a change of about 2C.
Many of the great grain growing areas of the world could face
the same fate if temperature goes up another 2C.
We need to fix the climate to what's good for humans. What it was
5 million years ago is irrelevant.
pt
Actually no, if it was ok 5 million years ago, that tells us something
about today. We have all learned now that the climate has always varied,
and that there's no need for any fear. With the help of technology, we
also have an advantage over other small animals, in that we can survive
a much broader ranger of temperatures.
Climate has always varied. And: Most species have gone extinct.
We need to change that.
I don't want humans to go extinct, which means we have to keep--
climate within the range we know we can handle.
Its not just a matter of whether we, personally, are comfortable.
Our food species also need to be sustained, and they're a lot
more sensitive than we are.
"Washington Post Accidentally Admits Earth at Coolest Point in the Last
485 Million Years"
https://legalinsurrection.com/2024/09/washington-post-accidentally-admits-earth-at-coolest-point-in-the-last-485-million-years/
"Arguably, the Earth can be considered in a C02 famine."
"Finally, it’s good to remember none of the climate-hysteria predictions have come true."
""In five years, scientists predict we will have the first ice-free
Arctic summer."
"John Kerry back in 2009."
Lynn
On 9/26/2024 9:33 PM, Bobbie Sellers wrote:
On 9/26/24 19:12, Lynn McGuire wrote:
"Washington Post Accidentally Admits Earth at Coolest Point in the     Some how i find the Washington Post slip up as lacking
Last 485 Million Years"
https://legalinsurrection.com/2024/09/washington-post-accidentally-
admits-earth-at-coolest-point-in-the-last-485-million-years/
"Arguably, the Earth can be considered in a C02 famine."
"Finally, it’s good to remember none of the climate-hysteria
predictions have come true."
""In five years, scientists predict we will have the first ice-free
Arctic summer."
"John Kerry back in 2009."
Lynn
credibility because in the last few Hundred thousand years we
have had Ice Ages which forced humans to develope their social
skills even further.
     <https://en.wikipedia.org/wiki/Timeline_of_glaciation>
bliss-who is just a student of such things and unable to throw
scientific credentials around.
We are living in an ice age now. Ice ages are loosely defined as when
one or both poles are frozen. Both poles being frozen like now only
happens during 11% of the ice ages.
Lynn
"Washington Post Accidentally Admits Earth at Coolest Point in the Last 485 Million Years" https://legalinsurrection.com/2024/09/washington-post-accidentally-admits-earth-at-coolest-point-in-the-last-485-million-years/
"Arguably, the Earth can be considered in a C02 famine."
"Finally, it’s good to remember none of the climate-hysteria predictions have
come true."
""In five years, scientists predict we will have the first ice-free Arctic summer."
"John Kerry back in 2009."
Lynn
On 9/27/2024 1:25 AM, Bobbie Sellers wrote:
On 9/26/24 19:46, Lynn McGuire wrote:
On 9/26/2024 9:33 PM, Bobbie Sellers wrote:Â Â Â Â Well we seem to be ending the Holocene Ice Age within then
On 9/26/24 19:12, Lynn McGuire wrote:
"Washington Post Accidentally Admits Earth at Coolest Point in the     Some how i find the Washington Post slip up as lacking
Last 485 Million Years"
https://legalinsurrection.com/2024/09/washington-post-accidentally-
admits-earth-at-coolest-point-in-the-last-485-million-years/
"Arguably, the Earth can be considered in a C02 famine."
"Finally, it’s good to remember none of the climate-hysteria
predictions have come true."
""In five years, scientists predict we will have the first ice-free
Arctic summer."
"John Kerry back in 2009."
Lynn
credibility because in the last few Hundred thousand years we
have had Ice Ages which forced humans to develope their social
skills even further.
     <https://en.wikipedia.org/wiki/Timeline_of_glaciation>
bliss-who is just a student of such things and unable to throw
scientific credentials around.
We are living in an ice age now. Ice ages are loosely defined as when
one or both poles are frozen. Both poles being frozen like now only
happens during 11% of the ice ages.
Lynn
next two centuries. But the plagues Dale Pendell forsaw were not
quite as deadly.<https://www.goodreads.com/book/show/7821813-the-great-bay> >> Â Â Â Â He covers the next 16,000 years and of course the present
heating is resolved by the next Ice Age.
15,000 years ago, my location was under 2 miles of ice. This is NOT
the 'coolest time in 485 million years. Just looking at the chart,
you can see an uptick at the very end. That uptick includes the totality
of human civilization.
Yes, we're in an interglacial, and Earth has been warmer for most of
the past. That's irrelevant.
Our culture, and the sources of our food, are all tuned to the climate
of the past 15,000 years. Human activity is warming the planet EXTREMELY rapidly, compared to earlier warmings. The speed is such that plants
and animals can't evolve and adapt.
10,000 years ago, the Sahara desert was green, similar to the
Great Plains. Warming since then has turned it into a wasteland.
We're on track to do that to our main food-growing areas in the
next 100 years.
Its imperative that we do what we can to nail the global thermostat
to present temperatures.
I watched a documentary the other day about the fall of the akkadian
empire, and apparently they suspect it was due to the 4.2 kiloyear event.
It turns out that within 230:ish years, nature, (without any CO2) changed
dramatically which led to less rain, which led to food shortage. Estimates >> say that the temperature in the region dropped 1-2 degrees C, naturally in >> such a short time.
Did it say the global temperature dropped that much? Or was this a regional event? Regional events of this kind are common. IIRC it is believed that the Mayans also ran into unfavourable climate change, though this is not settled. But it's doubtless settled enough for a TV show.
Who would have thought that nature could change so much, without CO2?
I would. And so would literally anybody else who spent some time reading on the subject.
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