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John Nissen
5:48 AM
Re: [HPAC] Four billion dead?
Hi David, In your piece you write: "On current warming trends of 0.3-0.35°C/decade, the world
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Re: [HPAC] Four billion dead?
Hi David, In your piece you write: "On current warming trends of 0.3-0.35°C/decade, the world
5:48 AM
John Nissen
Jul 27
Re: Tony Juniper CBE and others share their thoughts on LinkedIn
Hi Peter, Somebody on LinkedIn has belatedly noticed an anti-geoengineering letter in the Guardian
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Re: Tony Juniper CBE and others share their thoughts on LinkedIn
Hi Peter, Somebody on LinkedIn has belatedly noticed an anti-geoengineering letter in the Guardian
Jul 27
rob...@rtulip.net
, …
Garrity, Dennis
25
Jul 23
Ted Parson HPAC 30 April: Insights from the Montreal Protocol for Climate Interventions
Reminder… On Jul 21, 2026, at 4:04 PM, robert@ Note correct link https://us02web.zoom.us/j/
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Ted Parson HPAC 30 April: Insights from the Montreal Protocol for Climate Interventions
Reminder… On Jul 21, 2026, at 4:04 PM, robert@ Note correct link https://us02web.zoom.us/j/
Jul 23
rob...@rtulip.net
Jul 21
The Albedo Imperative
Conversation on The Albedo Imperative between Robbie Tulip and Gene Fry, explaining in fairly simple
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The Albedo Imperative
Conversation on The Albedo Imperative between Robbie Tulip and Gene Fry, explaining in fairly simple
Jul 21
John Nissen
, …
rob...@rtulip.net
5
Jul 19
Fwd: [HPAC] Smoked out
Hi Robert, Of course I agree with you. And I appreciate your cartoon, though it needs to be a bit
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Fwd: [HPAC] Smoked out
Hi Robert, Of course I agree with you. And I appreciate your cartoon, though it needs to be a bit
Jul 19
John Nissen
2
Jul 17
Thousands will have died in UK's unprecedented May and June heatwaves - BBC News
The headline is here: Michelle Roberts (BBC News, 13 July 2026) More than 2700 people may have died
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Thousands will have died in UK's unprecedented May and June heatwaves - BBC News
The headline is here: Michelle Roberts (BBC News, 13 July 2026) More than 2700 people may have died
Jul 17
Ron Baiman
Jul 15
Recording of Laurie Laybourn_Climate tipping point security blind spot_HPAC presentation
Dear Colleagues, Laurie Laybourn_The Security Blind Spot: Climate Tipping Points_ HPAC_Ju... https://
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Recording of Laurie Laybourn_Climate tipping point security blind spot_HPAC presentation
Dear Colleagues, Laurie Laybourn_The Security Blind Spot: Climate Tipping Points_ HPAC_Ju... https://
Jul 15
Douglas Grandt
2
Jul 13
“Cutting fossil fuel emissions is the only thing that changes the path” —Ingmar Rentzhog (Forbes 9 July)
Hans, Excellent comment, especially well placed on Ingmar's photo and post about his invitation
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“Cutting fossil fuel emissions is the only thing that changes the path” —Ingmar Rentzhog (Forbes 9 July)
Hans, Excellent comment, especially well placed on Ingmar's photo and post about his invitation
Jul 13
John Nissen
Jul 11
Global warming already causing crop losses of over $20 billion a year
Global warming already causing crop losses of over $20 billion a year | New Scientist https://share.
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Global warming already causing crop losses of over $20 billion a year
Global warming already causing crop losses of over $20 billion a year | New Scientist https://share.
Jul 11
John Nissen
, …
Ron Baiman
5
Jul 11
Fwd: [HPAC] 3:00 -4:30 PM EDT July 9 Laurie Laybourn HPAC Presentation_The Security Blind Spot: The New Climate Reality and Tipping Points
Dear Laurie, Thanks for your excellent talk and responses to questions [1]. As you said, the
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Fwd: [HPAC] 3:00 -4:30 PM EDT July 9 Laurie Laybourn HPAC Presentation_The Security Blind Spot: The New Climate Reality and Tipping Points
Dear Laurie, Thanks for your excellent talk and responses to questions [1]. As you said, the
Jul 11
John Nissen
, …
DrPete Sudbury
7
Jul 6
Global heat stress intensification and its expanding footprint
Hi Doug, Thanks for those jet stream shots: very revealing. I expect forecasters follow jet stream
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Global heat stress intensification and its expanding footprint
Hi Doug, Thanks for those jet stream shots: very revealing. I expect forecasters follow jet stream
Jul 6
John Nissen
, …
Dr Tom Harris
8
Jul 1
AI on realistic policy options
Hi, This interview from Nick Breeze with Roger Hallam is worth a worth with Jan's comments in
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AI on realistic policy options
Hi, This interview from Nick Breeze with Roger Hallam is worth a worth with Jan's comments in
Jul 1
John Nissen
, …
Tom Goreau
11
Jun 29
Re: [HPAC] Some highly interesting intricacies to cool down a water planet - we have to understand in how far we can cool down Earth as the oceans will work against it
Thanks, Jan! It's more complicated than we can realize! From: Jan Umsonst <joum...@gmail.com
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Re: [HPAC] Some highly interesting intricacies to cool down a water planet - we have to understand in how far we can cool down Earth as the oceans will work against it
Thanks, Jan! It's more complicated than we can realize! From: Jan Umsonst <joum...@gmail.com
Jun 29
John Nissen
Jun 28
Re: Accelerating increase in the duration of heatwaves under global warming | Nature Geoscience
Hi Renaud, I'd already spotted this article. I find that papers like this that depend upon models
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Re: Accelerating increase in the duration of heatwaves under global warming | Nature Geoscience
Hi Renaud, I'd already spotted this article. I find that papers like this that depend upon models
Jun 28
Metta W Spencer
Jun 26
Hi, I'm eager to see you as a participant in our upcoming Economics Inquiry. It begins this
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Hi, I'm eager to see you as a participant in our upcoming Economics Inquiry. It begins this
Jun 26
John Nissen
Jun 24
Atlantic 'cold blob' is responsible for shifts in the Indian summer monsoon [?!]
Atlantic 'cold blob' is responsible for shifts in the Indian summer monsoon that threaten
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Atlantic 'cold blob' is responsible for shifts in the Indian summer monsoon [?!]
Atlantic 'cold blob' is responsible for shifts in the Indian summer monsoon that threaten
Jun 24
John Nissen
, …
PR CARTER
6
Jun 18
Re: [HPAC] Not Just Another “Super” El Niño
Hi Peter, I don't think there is any risk of overcooling by SAI, as Jan suggests. If the sea
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Re: [HPAC] Not Just Another “Super” El Niño
Hi Peter, I don't think there is any risk of overcooling by SAI, as Jan suggests. If the sea
Jun 18
John Nissen
Jun 18
Re: Arctic albedo today
Hi Tom, Thanks for the photos. I took some poor ones of the same subject, flying to Canada from
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Re: Arctic albedo today
Hi Tom, Thanks for the photos. I took some poor ones of the same subject, flying to Canada from
Jun 18
rob...@rtulip.net
,
Lucinda Shearman
3
Jun 17
Insurance and Planetary Solvency: Recording & Summary - Sandy Trust HPAC
Hi all, The newly edited S. Trust video is on the Drive ready for uploading. Have a great day.
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Insurance and Planetary Solvency: Recording & Summary - Sandy Trust HPAC
Hi all, The newly edited S. Trust video is on the Drive ready for uploading. Have a great day.
Jun 17
Metta W Spencer
Jun 13
Join Our Economics Inquiry – Starts June 24!
Join Our Economics Inquiry Starts June 24! This is one small planet with a lot of ambitious
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Join Our Economics Inquiry – Starts June 24!
Join Our Economics Inquiry Starts June 24! This is one small planet with a lot of ambitious
Jun 13
rob...@rtulip.net
, …
Ron Baiman
3
Jun 12
Today; Insurance and Planetary Solvency - Sandy Trust HPAC Meeting 11 June 3.30 pm EDT
And so did I! Best, Ron Sent from my iPhone On Jun 11, 2026, at 5:24 PM, Aria Mckenna <aria@
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Today; Insurance and Planetary Solvency - Sandy Trust HPAC Meeting 11 June 3.30 pm EDT
And so did I! Best, Ron Sent from my iPhone On Jun 11, 2026, at 5:24 PM, Aria Mckenna <aria@
Jun 12
John Nissen
Jun 7
What happens when the world’s breadbaskets start failing simultaneously?
What happens when the world's breadbaskets start failing simultaneously? https://share.google/
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What happens when the world’s breadbaskets start failing simultaneously?
What happens when the world's breadbaskets start failing simultaneously? https://share.google/
Jun 7
rob...@rtulip.net
Jun 7
Insurance and Planetary Solvency - Sandy Trust HPAC Meeting 11 June 3.30 pm EDT
Mr Sandy Trust is a lead author of the series of four publications on insurance and climate issued by
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Insurance and Planetary Solvency - Sandy Trust HPAC Meeting 11 June 3.30 pm EDT
Mr Sandy Trust is a lead author of the series of four publications on insurance and climate issued by
Jun 7
Dr. Soumitra Das
, …
John Nissen
4
Jun 5
Heat, Hunger, and Survival: Why India’s Climate Cooling Summit Cannot Wait!
Hi Soumitra, You make it obvious that emergency cooling intervention with SAI is needed NOW. Only SAI
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Heat, Hunger, and Survival: Why India’s Climate Cooling Summit Cannot Wait!
Hi Soumitra, You make it obvious that emergency cooling intervention with SAI is needed NOW. Only SAI
Jun 5
David Spratt
Jun 3
Avoiding 'worse-case' climate warming is big news. But is it true?
Avoiding 'worse-case' climate warming is big news. But is it true? https://
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Avoiding 'worse-case' climate warming is big news. But is it true?
Avoiding 'worse-case' climate warming is big news. But is it true? https://
Jun 3
John Nissen
,
rob...@rtulip.net
2
May 30
Re: [HPAC] RE: UN’s climate crisis vote shows political momentum is growing
Hi John, thanks. There are two intertwined mass delusions – the belief that reducing emissions is the
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Re: [HPAC] RE: UN’s climate crisis vote shows political momentum is growing
Hi John, thanks. There are two intertwined mass delusions – the belief that reducing emissions is the
May 30
John Nissen
,
Veli Albert Kallio
2
May 30
Re: Scientists Just Confirmed What’s Driving Sea Level Rise And It’s Alarming
Divergence here needs to be remembered as extrapolating cannot be extended indefinitely. Each 1.0C
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Re: Scientists Just Confirmed What’s Driving Sea Level Rise And It’s Alarming
Divergence here needs to be remembered as extrapolating cannot be extended indefinitely. Each 1.0C
May 30
John Nissen
,
Veli Albert Kallio
3
May 30
Indonesia says its giant sea wall will stop flooding. Is this climate adaptation or a costly folly?
North-Western Java is exceedingly urban with 85 million people living in Jakara and it satellite
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Indonesia says its giant sea wall will stop flooding. Is this climate adaptation or a costly folly?
North-Western Java is exceedingly urban with 85 million people living in Jakara and it satellite
May 30
rob...@rtulip.net
May 27
Draft Book: Sunlight Reflection - The Business Case for an Albedo Accord
All the draft chapters of my proposed book on an Sunlight Reflection can be read at https://
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Draft Book: Sunlight Reflection - The Business Case for an Albedo Accord
All the draft chapters of my proposed book on an Sunlight Reflection can be read at https://
May 27
Rebecca Bishop
, …
Tom Goreau
9
May 26
Re: Warragamba Dam regeneration
New York City is famous for it's large reservoir system, that is well protected from pollution,
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Re: Warragamba Dam regeneration
New York City is famous for it's large reservoir system, that is well protected from pollution,
May 26