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H simmens
6:34 PM
A Climate Advisor: Sir David King’s Journey
https://youtu.be/7v27jryUknI?si=FGYSXz0zvh06zlud The Climate Emergency Forum had the pleasure of
unread,
A Climate Advisor: Sir David King’s Journey
https://youtu.be/7v27jryUknI?si=FGYSXz0zvh06zlud The Climate Emergency Forum had the pleasure of
6:34 PM
John Nissen
, …
Robert Chris
18
4:54 PM
Perilously close to point of no return: the Arctic time bomb
Let's not get carried away by methane. It is and always has been produced naturally. There are
unread,
Perilously close to point of no return: the Arctic time bomb
Let's not get carried away by methane. It is and always has been produced naturally. There are
4:54 PM
John Nissen
2
2:04 PM
Framing the climate and sea level crisis through heating and cooling power
Hi Herman, I would love to support a declaration of emergency if I thought the emergency was properly
unread,
Framing the climate and sea level crisis through heating and cooling power
Hi Herman, I would love to support a declaration of emergency if I thought the emergency was properly
2:04 PM
H simmens
, …
Herman Gyr
44
Dec 6
Opportunity to sign on to a tipping points declaration
Speaking of signing a declaration, how about signing this one related to the recent UK National
unread,
Opportunity to sign on to a tipping points declaration
Speaking of signing a declaration, how about signing this one related to the recent UK National
Dec 6
John Nissen
2
Dec 4
Re: A Climate Goal for the Overshoot Era
Hi Paul, The blue, purple and red trajectories represent the targets for our plan. Blue is for the
unread,
Re: A Climate Goal for the Overshoot Era
Hi Paul, The blue, purple and red trajectories represent the targets for our plan. Blue is for the
Dec 4
H simmens
,
lee mcnair
2
Dec 4
The Washington Post - Private companies have raised millions to block the sun. What could go wrong?
Article might make sense IF governments were funding and scientists were studying geoengineering
unread,
The Washington Post - Private companies have raised millions to block the sun. What could go wrong?
Article might make sense IF governments were funding and scientists were studying geoengineering
Dec 4
John Nissen
Dec 3
Re: [HPAC] Re: UK National Emergency Briefing.
Hi Soumitra, I am dismayed by this briefing. It would be fantastic if you could organise a briefing
unread,
Re: [HPAC] Re: UK National Emergency Briefing.
Hi Soumitra, I am dismayed by this briefing. It would be fantastic if you could organise a briefing
Dec 3
rob...@rtulip.net
,
John Nissen
2
Dec 2
FW: New Op-Ed: America Must Lead on Atmospheric Safety
Hi Robert, We have all been trying so hard to get the US government to take the necessary action. But
unread,
FW: New Op-Ed: America Must Lead on Atmospheric Safety
Hi Robert, We have all been trying so hard to get the US government to take the necessary action. But
Dec 2
Bruce Melton -- Austin, Texas
,
jim....@gwmitigation.com
2
Dec 2
Implications of Economic Effects of Sea Level Rise and the Erosion Disaster at the Outer Banks - An Anecdotal Report
The Rising Tide: Why Sea Level Rise Is the True Measure of Our Planet's Fever From:
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Implications of Economic Effects of Sea Level Rise and the Erosion Disaster at the Outer Banks - An Anecdotal Report
The Rising Tide: Why Sea Level Rise Is the True Measure of Our Planet's Fever From:
Dec 2
John Nissen
,
Tom Goreau
3
Dec 2
In a new documentary, researchers investigate when Greenland was ice-free
Thanks, Rob! The key AI point, after the ritual “how wise you are to ask this question, master” stuff
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In a new documentary, researchers investigate when Greenland was ice-free
Thanks, Rob! The key AI point, after the ritual “how wise you are to ask this question, master” stuff
Dec 2
John Nissen
Dec 2
Satellites spot rapid “Doomsday Glacier” collapse
Hi all, It seems that some Antarctic glaciers are becoming progressively less stable. Cheers John
unread,
Satellites spot rapid “Doomsday Glacier” collapse
Hi all, It seems that some Antarctic glaciers are becoming progressively less stable. Cheers John
Dec 2
H simmens
,
Bruce Melton -- Austin, Texas
2
Dec 2
Graphic showing results of the tipping point and SAI simulations
Thanks Herb. This seems like a great piece of work and needs further deep consideration. All works
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Graphic showing results of the tipping point and SAI simulations
Thanks Herb. This seems like a great piece of work and needs further deep consideration. All works
Dec 2
H simmens
Dec 2
Very important paper just released today by Doug MacMartin, Danielle Visioni and two Chinese researchers on SAI and various tipping points
Link to the paper and the plain language summary below. Eager to hear what folks think about their
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Very important paper just released today by Doug MacMartin, Danielle Visioni and two Chinese researchers on SAI and various tipping points
Link to the paper and the plain language summary below. Eager to hear what folks think about their
Dec 2
Mary Lyons
, …
rob...@rtulip.net
3
Nov 29
Request for Posting Permission in the Google Group
I have blocked and banned this spammer From: planetary-...@googlegroups.com <planetary-
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Request for Posting Permission in the Google Group
I have blocked and banned this spammer From: planetary-...@googlegroups.com <planetary-
Nov 29
Ceri SRM360
,
John Nissen
2
Nov 28
Are emissions cuts on track to avoid catastrophic impacts? Live Discussion
Hi Ceri, Thanks for the invitation and I look forward to attending online. You ask whether the world
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Are emissions cuts on track to avoid catastrophic impacts? Live Discussion
Hi Ceri, Thanks for the invitation and I look forward to attending online. You ask whether the world
Nov 28
John Nissen
2
Nov 28
Polar ice melt offers unexpected solution to a global climate disaster
Hi all, The heading was very hopeful, but when you read the piece, there is only a remote chance that
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Polar ice melt offers unexpected solution to a global climate disaster
Hi all, The heading was very hopeful, but when you read the piece, there is only a remote chance that
Nov 28
Suzanne Reed
, …
Ron Baiman
6
Nov 26
Re: [HPAC] Anyone interested in the $149 group rate for duct/dryer cleaning?
Which I just did! Woops! On Wed, Nov 26, 2025 at 7:58 PM Ron Baiman <rpba...@gmail.com> wrote:
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Re: [HPAC] Anyone interested in the $149 group rate for duct/dryer cleaning?
Which I just did! Woops! On Wed, Nov 26, 2025 at 7:58 PM Ron Baiman <rpba...@gmail.com> wrote:
Nov 26
John Nissen
,
Tom Goreau
2
Nov 25
Re: [HPAC] Observed shifts in regional climate linked to Amazon deforestation
Carlos Nobre, and Paulo Artaxo (a lead author on this paper) are Brazil's top atmospheric experts
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Re: [HPAC] Observed shifts in regional climate linked to Amazon deforestation
Carlos Nobre, and Paulo Artaxo (a lead author on this paper) are Brazil's top atmospheric experts
Nov 25
Jon Schull
Nov 25
Fwd: [ERA][Updates] ERA Town Hall 2025.11.26 9:00AM ET: Special spotlight Town Hall! Tim Christopherson on his new book and discussing the Belem COP!
Hey there, You may not be an EcoRestorationAlliance member yet, but you've expressed an interest,
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Fwd: [ERA][Updates] ERA Town Hall 2025.11.26 9:00AM ET: Special spotlight Town Hall! Tim Christopherson on his new book and discussing the Belem COP!
Hey there, You may not be an EcoRestorationAlliance member yet, but you've expressed an interest,
Nov 25
John Nissen
,
Robert Chris
3
Nov 25
Re: [HPAC] Termination shock analysis
Hi John I should have mentioned that I couldn't agree with you more about this morning's
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Re: [HPAC] Termination shock analysis
Hi John I should have mentioned that I couldn't agree with you more about this morning's
Nov 25
John Nissen
Nov 24
Re: [HPAC] 1997 paper: Unstable AMOC has huge implications for ocean carbon budgets
Hi Tom, I'm not sure whether the carbon budget should be a main concern about AMOC collapse.
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Re: [HPAC] 1997 paper: Unstable AMOC has huge implications for ocean carbon budgets
Hi Tom, I'm not sure whether the carbon budget should be a main concern about AMOC collapse.
Nov 24
H simmens
, …
Ron Baiman
4
Nov 24
Deeply reported story on Stardust
Dear Herb and Graeme (see earlier thread with comment from Oswald), Thank you for sharing! This is
unread,
Deeply reported story on Stardust
Dear Herb and Graeme (see earlier thread with comment from Oswald), Thank you for sharing! This is
Nov 24
Bruce Melton -- Austin, Texas
Nov 22
The Future of CDR: Vancouver Declaration, CDR26 Conference
The Vancouver Declaration - Developed by 275 experts and institutions from around the world—spanning
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The Future of CDR: Vancouver Declaration, CDR26 Conference
The Vancouver Declaration - Developed by 275 experts and institutions from around the world—spanning
Nov 22
John Nissen
Nov 20
Re: [HPAC] Advance in CO2 Capture
Hi Mike, The best that can be done with CDR is to "slow global warming". Everything points
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Re: [HPAC] Advance in CO2 Capture
Hi Mike, The best that can be done with CDR is to "slow global warming". Everything points
Nov 20
John Nissen
Nov 20
Re: Paul Gambill posted new notes
Hi again, Paul, The danger from crossing 1.5C is not because of activating tipping element processes,
unread,
Re: Paul Gambill posted new notes
Hi again, Paul, The danger from crossing 1.5C is not because of activating tipping element processes,
Nov 20
John Nissen
Nov 19
Re: Carbon Removal Won't Scale Fast Enough
Hi Paul, I've just sent a letter to the FT (Financial Times) about the urgent need for cooling;
unread,
Re: Carbon Removal Won't Scale Fast Enough
Hi Paul, I've just sent a letter to the FT (Financial Times) about the urgent need for cooling;
Nov 19
John Nissen
,
Tom Goreau
2
Nov 17
Re: [HPAC] Fwd: Warming of 1.5°C is Too High for Polar Ice Sheets | Jan Umsonst
We pointed out in 1990 that 1 degree C was too high for corals (attached) but nobody gave a rat's
unread,
Re: [HPAC] Fwd: Warming of 1.5°C is Too High for Polar Ice Sheets | Jan Umsonst
We pointed out in 1990 that 1 degree C was too high for corals (attached) but nobody gave a rat's
Nov 17
John Nissen
Nov 16
Amazon climate scientist Carlos Nobre: ‘This is an enormous risk for the entire world’
Amazon climate scientist Carlos Nobre: 'This is an enormous risk for the entire world' https:
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Amazon climate scientist Carlos Nobre: ‘This is an enormous risk for the entire world’
Amazon climate scientist Carlos Nobre: 'This is an enormous risk for the entire world' https:
Nov 16
John Nissen
Nov 16
Sea ice loss is turbocharging polar ocean currents and turbulence
Hi all, This may be more important for what it doesn't say than what it does say. Could Earth.com
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Sea ice loss is turbocharging polar ocean currents and turbulence
Hi all, This may be more important for what it doesn't say than what it does say. Could Earth.com
Nov 16
John Nissen
Nov 15
Massive hidden waves are rapidly melting Greenland’s glaciers
Dear Peter, This looks like a new kind of positive feedback. The GIS must be well on the way to
unread,
Massive hidden waves are rapidly melting Greenland’s glaciers
Dear Peter, This looks like a new kind of positive feedback. The GIS must be well on the way to
Nov 15