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Scientists warn earth near irreversible “hothouse” state

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21 minutes ago, BritManToo said:

Under the control of the New World Order.

Who's volunteering to do without air conditioning?

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  • Bday Prang
    Bday Prang

    unlikely ,as despite the scaremongering , it ain't happening tomorrow , all on this forum will be long dead and buried before any of these doom and gloom predictions come to pass, if they ever do. Wa

  • blaze master
    blaze master

    You do know what an opinion is right ? What's yours on the decades of failed predictions ?

  • BritManToo
    BritManToo

    They should name each scientist involved, make them give an end date. Then when that end date arrives, and nothing has happened, shoot them in the head. End date for running out of food and the world

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Antarctica warming could be ‘irreversible,’ study warns

antartica.jpg

Antarctica’s future may hinge on decisions made this decade, according to new research warning that climate change impacts on the frozen continent could become “irreversible on any human timescale.”

The study, published in Frontiers in Environmental Science, models best- and worst-case global warming scenarios for the Antarctic Peninsula — the fastest-warming region of Antarctica. Led by Professor Bethan Davies of Newcastle University, researchers examined how different emissions pathways would affect sea ice, glaciers, ecosystems, oceans, and extreme weather events through 2100.

Under a low-emissions scenario, global temperatures would rise by about 1.8°C above preindustrial levels. Higher-emissions scenarios project increases of 3.6°C to 4.4°C. The study finds that in worst-case scenarios, the Southern Ocean would warm rapidly, accelerating the melting of land ice and ice shelves. This would increase global sea levels and raise the risk of coastal flooding worldwide.

Scientists estimate that for every centimeter of sea-level rise, roughly six million people face exposure to flooding. In the highest emissions pathway, Antarctic sea ice could shrink by 20%, threatening species such as krill, which underpin the food chain for whales and penguins.

The research also highlights growing risks to scientific operations in Antarctica, as extreme weather and melting ice could damage infrastructure and limit future climate monitoring. While some species may migrate southward to survive, entire ecosystems could be permanently altered.

Davies warns that once glaciers retreat beyond certain thresholds, they may not recover for centuries or longer. However, rapid emissions cuts could significantly limit damage, preserving much of Antarctica’s ice and biodiversity.

“Changes in Antarctica don’t stay in Antarctica,” Davies said, stressing that global climate stability depends on action now.


Key Takeaways

  • High emissions could trigger irreversible Antarctic ice loss

  • Sea-level rise threatens millions worldwide

  • Rapid emissions cuts could limit long-term damage

'Irreversible on any human timescale': Scientist reveals best and worst-case scenario for Antarctica

We could easily end this "climate debate" if only we would concentrate on the one and only factor relevant:

PHYSICS !

CO2 causes a "green house effect". The more CO2 in the athmosphere, the more green house effect.

It's not about "gut feelings", nor reading tea leaves. It's only about PHYSICS. Nothing else.

https://holoceneclimate.com/temperature-versus-co2-the-big-picture.html

https://en.wikipedia.org/wiki/Late_Cenozoic_Ice_Age

https://en.wikipedia.org/wiki/Ice_age

we are still stuck in the deepest ice age since before complex life evolved, (Quaternary ice age) and almost all lives lost are due to cold, not warmth

https://ourworldindata.org/part-one-how-many-people-die-from-extreme-temperatures-and-how-could-this-change-in-the-future

Globally, cold deaths are 9 times higher than heat-related ones. In no region is this ratio less than 3, and in many, it’s over 10 times higher. Cold is more deadly than heat, even in the hottest parts of the world.

The myth is that climate was lovely during little ice age 1300-1850.

Reality is that crops would routinely freeze over before they had time to ripen, and famine was the norm, and europeans migrated to americas in a last attempt to stave off starvation

On 2/20/2026 at 2:48 PM, mordothailand said:

 scholar Bjorn Lomborg recently calculated that across the globe, governments have spent at least $16 trillion feeding the climate change industrial complex.

And for what?

Arguably, not a single life has been or will be saved by this shameful and colossal misallocation of human resources.

The war on safe and abundant fossil fuels has cost countless lives in poor countries and made those countries poorer by blocking affordable energy.

Since the global warming crusade started some 30 years ago, the temperature of the planet has not been altered by one-tenth of a degree — as even the alarmists will admit.

In other words, $16 trillion has been spent — a lot of people got very, very rich off the government largesse — but there is not a penny of measurable payoff.

Yet it’s much worse than that. In economics there is a concept called opportunity cost: What could we have done with $16 trillion to make the world better off?

The average warming rate over decades is about 0.2 C. That is more than one-tenth of a degree.

The only reason it is not much higher is the moderating effect of melting ice in Greenland and Antarctica. Greenland alone has lost an average of 270 billion tonnes of ice every year over the past decade. The result is a sea level rise of about 6 inches on the eastern seaboard of America.

There is no such thing as a free lunch, although the fossil fuel industry clings to the fiction there is.

Just now, Lacessit said:

The average warming rate over decades is about 0.2 C. That is more than one-tenth of a degree.

The only reason it is not much higher is the moderating effect of melting ice in Greenland and Antarctica. Greenland alone has lost an average of 270 billion tonnes of ice every year over the past decade. The result is a sea level rise of about 6 inches on the eastern seaboard of America.

There is no such thing as a free lunch, although the fossil fuel industry clings to the fiction there is.

Do you have a car and air conditioning?

On 2/15/2026 at 7:16 PM, Bday Prang said:

unlikely ,as despite the scaremongering , it ain't happening tomorrow , all on this forum will be long dead and buried before any of these doom and gloom predictions come to pass, if they ever do.

Wasn't most of the world supposed to be underwater some time Noago? and aren't we all supposed to be boiling in our own sweat by now ,?

Only if you believe the lies created by climate change denialists.

3 hours ago, Yellowtail said:

Do you have a car and air conditioning?

Most of the New power generation being created in the world today is from renewables. In addition, new or improvedtechnologies such as heat pumps, greatly reduce the rate of power consumption.

On 2/21/2026 at 2:22 AM, mordothailand said:

https://holoceneclimate.com/temperature-versus-co2-the-big-picture.html

https://en.wikipedia.org/wiki/Late_Cenozoic_Ice_Age

https://en.wikipedia.org/wiki/Ice_age

we are still stuck in the deepest ice age since before complex life evolved, (Quaternary ice age) and almost all lives lost are due to cold, not warmth

https://ourworldindata.org/part-one-how-many-people-die-from-extreme-temperatures-and-how-could-this-change-in-the-future

Globally, cold deaths are 9 times higher than heat-related ones. In no region is this ratio less than 3, and in many, it’s over 10 times higher. Cold is more deadly than heat, even in the hottest parts of the world.

The myth is that climate was lovely during little ice age 1300-1850.

Reality is that crops would routinely freeze over before they had time to ripen, and famine was the norm, and europeans migrated to americas in a last attempt to stave off starvation

Crops have increased 2% pa since 1960. Solar and wind are just programs for the rich. Nothing to do with saving the planet. All rich guys fighting over money. The left is no better than the right. All owned by big companies.

Just now, Alan Zweibel said:

Most of the New power generation being created in the world today is from renewables. In addition, new or improved technologies such as heat pumps, greatly reduce the rate of power consumption.

So that's a yes, you do have a car and air conditioning and you're not giving them up, you just want everyone in the yet undeveloped world to not have them.

And, no, most of the new power generation being created today is not renewable, and what renewables are being "created" have to generally be backed up with traditional generation.

Heat pump technology is 100-200 years old and has used in commercial and industrial applications the US since the '30s, and in residential use since the '50s. They are not efficient in cold climates, and don't work in very cold climates, without heating the evaporator unit, which takes a lot of energy. You are just wrong.

There has been no significant improvement in AC/heat pump technology in at least 20 years.

You should get with @placeholder, he's an expert on the renewable energy scam.

4 hours ago, Lacessit said:

The average warming rate over decades is about 0.2 C. That is more than one-tenth of a degree.

The only reason it is not much higher is the moderating effect of melting ice in Greenland and Antarctica. Greenland alone has lost an average of 270 billion tonnes of ice every year over the past decade. The result is a sea level rise of about 6 inches on the eastern seaboard of America.

There is no such thing as a free lunch, although the fossil fuel industry clings to the fiction there is.

the 16 trillion USD campaign havnt altered the climate by even one tenth of one degree celsius,

which is a good thing since current temperature is too low to be optimal already

For all you Dunning-Krugerites here, here is an explanation of MMCC that even you might understand – and NO! You don't know something that 99.9% of all scientists agree on.

https://www.facebook.com/reel/1974586200157700

1 hour ago, Yellowtail said:

So that's a yes, you do have a car and air conditioning and you're not giving them up, you just want everyone in the yet undeveloped world to not have them.

And, no, most of the new power generation being created today is not renewable, and what renewables are being "created" have to generally be backed up with traditional generation.

Heat pump technology is 100-200 years old and has used in commercial and industrial applications the US since the '30s, and in residential use since the '50s. They are not efficient in cold climates, and don't work in very cold climates, without heating the evaporator unit, which takes a lot of energy. You are just wrong.

There has been no significant improvement in AC/heat pump technology in at least 20 years.

You should get with @placeholder, he's an expert on the renewable energy scam.

It doesn't matter how old a technology is.... it is whether or not it is renewable

As of early 2024, renewable energy sources generated approximately 30% of the world's electricity, reaching a record share in 2023 driven by rapid growth in solar and wind power. When combined with nuclear power, low-carbon electricity accounts for nearly 40% of the total global generation mix

1 hour ago, Yellowtail said:

So that's a yes, you do have a car and air conditioning and you're not giving them up, you just want everyone in the yet undeveloped world to not have them.

And, no, most of the new power generation being created today is not renewable, and what renewables are being "created" have to generally be backed up with traditional generation.

Heat pump technology is 100-200 years old and has used in commercial and industrial applications the US since the '30s, and in residential use since the '50s. They are not efficient in cold climates, and don't work in very cold climates, without heating the evaporator unit, which takes a lot of energy. You are just wrong.

There has been no significant improvement in AC/heat pump technology in at least 20 years.

You should get with @placeholder, he's an expert on the renewable energy scam.

"So that's a yes, you do have a car and air conditioning and you're not giving them up, you just want everyone in the yet undeveloped world to not have them."

Stop lying. You have no idea of what I want or don't want.

"And, no, most of the new power generation being created today is not renewable, and what renewables are being "created" have to generally be backed up with traditional generation."

When I read a comment like this I wonder how is it possible for someone to be so ignorant. Perhaps they're living in a cave with a very limited internet connection. Or maybe in a time warp and haven't a clue about what modern conditions are like

This is the latest year for which full figures are in:

Record-Breaking Annual Growth in Renewable Power Capacity

With 585 GW of capacity additions, renewables accounted for over 90% of total power expansion globally in 2024.

https://gemini.google.com/app/09a283f2a37f3dcb

BloombergNEF Finds Global Energy Transition Investment Reached Record $2.3 Trillion in 2025, Up 8% from 2024

https://about.bnef.com/insights/clean-energy/bloombergnef-finds-global-energy-transition-investment-reached-record-2-3-trillion-in-2025-up-8-from-2024/

As for heat pumps. I write new and improved technologies. Heat pumps are much improved. Your assessment is drastically out of date:

Modern cold climate heat pumps (CCHPs) represent a major leap in HVAC technology, using advanced components like variable-speed compressors, enhanced vapor injection, and smart sensors to operate efficiently in temperatures as low as -15°F to -31°F (-26°C to -35°C). These systems maintain high heating capacities without relying on backup resistance heat, making them viable for northern climates.

Building Decarbonization Coalition +4

Key Technological Advancements

  • Enhanced Vapor Injection (EVI): This technology allows compressors to operate efficiently at extremely low temperatures by re-injecting refrigerant to increase heating capacity.

  • Variable Speed (Inverter) Compressors: Rather than simply turning on/off, these compressors modulate speed to match the exact heating load, drastically increasing efficiency and reducing wear.

  • Optimized Defrost Cycles: "Demand defrost" strategies ensure the unit only defrosts when necessary, minimizing energy loss during cold, humid conditions.

  • Lower GWP Refrigerants: New models, such as those from Bosch, are adopting eco-friendly refrigerants like R-454B.

  • Improved Heat Exchangers: Redesigned coils enhance heat transfer efficiency in freezing conditions.

    RAP - Regulatory Assistance Project +4

Performance in Extreme Cold

  • Operating Ranges: While traditional heat pumps struggled below freezing, modern CCHPs are rated for reliable operation down to -22°F (-30°C) and sometimes lower, with some models maintaining 100% capacity at 5°F (-15°C).

  • Efficiency: Even in sub-zero, high-efficiency heat pumps can produce 1.5 to 2 units of heat for every 1 unit of electricity consumed.

  • Reliability: The Department of Energy's (DOE) Cold Climate Heat Pump Challenge has pushed manufacturers to prove that these systems are reliable for residential and commercial, replacing fossil fuel systems in cold regions.

    Manufacturing Dive +3

Key Considerations

  • Proper Sizing: Correct, detailed, and professional sizing is crucial to ensure the unit can handle peak heating loads.

  • Configuration: Ground-source systems are also a high-efficiency option, as they tap into stable, warmer underground temperature

A post of low value and the replies have been removed:

  1. Low-Value Posts - Posts that add no written contribution are not allowed.

    This includes emoji-only replies, very short comments, memes, GIFs, screenshots, or embedded social media posts without explanation or opinion.

46 minutes ago, kwilco said:

It doesn't matter how old a technology is.... it is whether or not it is renewable

As of early 2024, renewable energy sources generated approximately 30% of the world's electricity, reaching a record share in 2023 driven by rapid growth in solar and wind power. When combined with nuclear power, low-carbon electricity accounts for nearly 40% of the total global generation mix

I was not the one pretending there was some new technology, and you are right, plenty of old technology is great, just look what Norway does with their 100-year-old technology.

What percentage of the world's electricity was generated by wind and solar in 2023?

13 minutes ago, Yellowtail said:

I was not the one pretending there was some new technology, and you are right, plenty of old technology is great, just look what Norway does with their 100-year-old technology.

What percentage of the world's electricity was generated by wind and solar in 2023?

Who was pretending that there was new technology. I spoke of new and improved technology. Here is your claim:

"Heat pump technology is 100-200 years old and has used in commercial and industrial applications the US since the '30s, and in residential use since the '50s. They are not efficient in cold climates, and don't work in very cold climates, without heating the evaporator unit, which takes a lot of energy. You are just wrong."

Obviously heat pump technology has massively improved over the last 20 years and can now be used in much colder climates than in the poast. As for your claim about heating the evaporator unit taking "a lot of energy" (whatever that means) there's this:

  • Enhanced Vapor Injection (EVI): This technology allows compressors to operate efficiently at extremely low temperatures by re-injecting refrigerant to increase heating capacity.

    That and other developments I cited above give the lie to this claim of yours:

  • "There has been no significant improvement in AC/heat pump technology in at least 20 years."

And you haven't acknowledged the fact that you got it massively wrong when you asserted "And, no, most of the new power generation being created today is not renewable...,

In fact most new power being built in 2024 and 2025 is renewable.

  • Popular Post
20 minutes ago, Yellowtail said:

What percentage of the world's electricity was generated by wind and solar in 2023?

Nice try at deceptive questioning. There's a huge installed base of power that predates the massive creation of solar and wind. You think a magic wand can just wave that away? The valid question about 2023 should be what percentage of new power came from renewables. And the answer is...

Chart: 85% of new electricity built in 2023 came from renewables

A whopping 473 gigawatts of clean energy capacity was installed last year, yet another indicator of the rapid rise of solar and wind power.

image.png

https://www.canarymedia.com/articles/clean-energy/chart-85-of-new-electricity-built-in-2023-was-clean-energy

29 minutes ago, Alan Zweibel said:

"So that's a yes, you do have a car and air conditioning and you're not giving them up, you just want everyone in the yet undeveloped world to not have them."

Stop lying. You have no idea of what I want or don't want.

I think I do.

29 minutes ago, Alan Zweibel said:

"And, no, most of the new power generation being created today is not renewable, and what renewables are being "created" have to generally be backed up with traditional generation."

When I read a comment like this I wonder how is it possible for someone to be so ignorant. Perhaps they're living in a cave with a very limited internet connection. Or maybe in a time warp and haven't a clue about what modern conditions are like

This is the latest year for which full figures are in:

Record-Breaking Annual Growth in Renewable Power Capacity

With 585 GW of capacity additions, renewables accounted for over 90% of total power expansion globally in 2024.

https://gemini.google.com/app/09a283f2a37f3dcb

BloombergNEF Finds Global Energy Transition Investment Reached Record $2.3 Trillion in 2025, Up 8% from 2024

https://about.bnef.com/insights/clean-energy/bloombergnef-finds-global-energy-transition-investment-reached-record-2-3-trillion-in-2025-up-8-from-2024/

Ahh, AI generated nonsense dependent on what it's fed.

29 minutes ago, Alan Zweibel said:

As for heat pumps. I write new and improved technologies. Heat pumps are much improved. Your assessment is drastically out of date:

Modern cold climate heat pumps (CCHPs) represent a major leap in HVAC technology, using advanced components like variable-speed compressors, enhanced vapor injection, and smart sensors to operate efficiently in temperatures as low as -15°F to -31°F (-26°C to -35°C). These systems maintain high heating capacities without relying on backup resistance heat, making them viable for northern climates.

Building Decarbonization Coalition +4

Key Technological Advancements

  • Enhanced Vapor Injection (EVI): This technology allows compressors to operate efficiently at extremely low temperatures by re-injecting refrigerant to increase heating capacity.

  • Variable Speed (Inverter) Compressors: Rather than simply turning on/off, these compressors modulate speed to match the exact heating load, drastically increasing efficiency and reducing wear.

  • Optimized Defrost Cycles: "Demand defrost" strategies ensure the unit only defrosts when necessary, minimizing energy loss during cold, humid conditions.

  • Lower GWP Refrigerants: New models, such as those from Bosch, are adopting eco-friendly refrigerants like R-454B.

  • Improved Heat Exchangers: Redesigned coils enhance heat transfer efficiency in freezing conditions.

    RAP - Regulatory Assistance Project +4

Performance in Extreme Cold

  • Operating Ranges: While traditional heat pumps struggled below freezing, modern CCHPs are rated for reliable operation down to -22°F (-30°C) and sometimes lower, with some models maintaining 100% capacity at 5°F (-15°C).

  • Efficiency: Even in sub-zero, high-efficiency heat pumps can produce 1.5 to 2 units of heat for every 1 unit of electricity consumed.

  • Reliability: The Department of Energy's (DOE) Cold Climate Heat Pump Challenge has pushed manufacturers to prove that these systems are reliable for residential and commercial, replacing fossil fuel systems in cold regions.

    Manufacturing Dive +3

Key Considerations

  • Proper Sizing: Correct, detailed, and professional sizing is crucial to ensure the unit can handle peak heating loads.

  • Configuration: Ground-source systems are also a high-efficiency option, as they tap into stable, warmer underground temperature

No, my claim about heat pumps is not out of date. What I said was: "They [heat pumps] are not efficient in cold climates, and don't work in very cold climates, without heating the evaporator unit, which takes a lot of energy. You are just wrong.

There has been no significant improvement in AC/heat pump technology in at least 20 years."

Variable-speed compressors came in back in the early '80s.

Vapor injection has been around since the '70s. Even "enhanced vapor injection" (EVI) has been around for over 10-years, but that's more marketing nonsense than any real improvement.

Smart sensors are cheaper and more common, but date back to the '90s.

All your AI picked up was marketing blurbs.

From your link: "...with some models maintaining 100% capacity at 5°F (-15°C).", that is not cold, and that is the best they can do,

The colder it gets, the less efficient they get.

The key to heating and air-conditioning is temperature differential. In a colder climate, you may only need capacity to cool 5-10 degrees F, while you may have to heat 70-100 degrees F.

So you really do have nothing.


12 minutes ago, Alan Zweibel said:

Nice try at deceptive questioning. There's a huge installed base of power that predates the massive creation of solar and wind. You think a magic wand can just wave that away? The valid question about 2023 should be what percentage of new power came from renewables. And the answer is...

Chart: 85% of new electricity built in 2023 came from renewables

A whopping 473 gigawatts of clean energy capacity was installed last year, yet another indicator of the rapid rise of solar and wind power.

image.png

https://www.canarymedia.com/articles/clean-energy/chart-85-of-new-electricity-built-in-2023-was-clean-energy

Did you not understand the question?

Again: "What percentage of the world's electricity was generated by wind and solar in 2023?"

It's not a deceptive question, a big chunk of the 30% includes hydroelectric which has been around for ~150 years.

It's you that are being deceptive, because you have nothing,

3 hours ago, Alan Zweibel said:

Only if you believe the lies created by climate change denialists.

https://www.theguardian.com/environment/2004/feb/22/usnews.theobserver

A secret report, suppressed by US defence chiefs and obtained by The Observer, warns that major European cities will be sunk beneath rising seas as Britain is plunged into a ‘Siberian’ climate by 2020. Nuclear conflict, mega-droughts, famine and widespread rioting will erupt across the world.

The findings will prove humiliating to the Bush administration, which has repeatedly denied that climate change even exists. Experts said that they will also make unsettling reading for a President who has insisted national defence is a priority.

https://cei.org/blog/wrong-again-50-years-of-failed-eco-pocalyptic-predictions/

1 minute ago, Yellowtail said:

I think I do.

Ahh, AI generated nonsense dependent on what it's fed.

No, my claim about heat pumps is not out of date. What I said was: "They [heat pumps] are not efficient in cold climates, and don't work in very cold climates, without heating the evaporator unit, which takes a lot of energy. You are just wrong.

There has been no significant improvement in AC/heat pump technology in at least 20 years."

Variable-speed compressors came in back in the early '80s.

Vapor injection has been around since the '70s. Even "enhanced vapor injection" (EVI) has been around for over 10-years, but that's more marketing nonsense than any real improvement.

Smart sensors are cheaper and more common, but date back to the '90s.

All your AI picked up was marketing blurbs.

From your link: "...with some models maintaining 100% capacity at 5°F (-15°C).", that is not cold, and that is the best they can do,

The colder it gets, the less efficient they get.

The key to heating and air-conditioning is temperature differential. In a colder climate, you may only need capacity to cool 5-10 degrees F, while you may have to heat 70-100 degrees F.

So you really do have nothing.


1 minute ago, Yellowtail said:

I think I do.

Ahh, AI generated nonsense dependent on what it's fed.

No, my claim about heat pumps is not out of date. What I said was: "They [heat pumps] are not efficient in cold climates, and don't work in very cold climates, without heating the evaporator unit, which takes a lot of energy. You are just wrong.

There has been no significant improvement in AC/heat pump technology in at least 20 years."

Variable-speed compressors came in back in the early '80s.

Vapor injection has been around since the '70s. Even "enhanced vapor injection" (EVI) has been around for over 10-years, but that's more marketing nonsense than any real improvement.

Smart sensors are cheaper and more common, but date back to the '90s.

All your AI picked up was marketing blurbs.

From your link: "...with some models maintaining 100% capacity at 5°F (-15°C).", that is not cold, and that is the best they can do,

The colder it gets, the less efficient they get.

The key to heating and air-conditioning is temperature differential. In a colder climate, you may only need capacity to cool 5-10 degrees F, while you may have to heat 70-100 degrees F.

So you really do have nothing.


Against what you call my AI generated nonsense, what do you offer in way of verifiable evidence: nothing And not everything I posted was AI. Unless you think that Blooomberg is basically an AI scam Here's the quote from Bloomberg again.

BloombergNEF Finds Global Energy Transition Investment Reached Record $2.3 Trillion in 2025, Up 8% from 2024

https://about.bnef.com/insights/clean-energy/bloombergnef-finds-global-energy-transition-investment-reached-record-2-3-trillion-in-2025-up-8-from-2024/

And this is from IRENA from 2014 to 2024

image.png

https://www.irena.org/News/articles/2025/Apr/Renewables-in-2024-5-Key-Facts-Behind-a-Record-Breaking-Year#:~:text=towards%20net%20zero-,Falling%20renewable%20costs%20mark%20the%20next%20stage%20in%20the%20global,2023's%20growth%20rate%20of%2014.3%25.

So yes, you were dead wrong in this claim of yours:

"And, no, most of the new power generation being created today is not renewable...

As for your claims about heat pumps, it's bizarre that apparently you expect others to take your word for it. Especially given that you continue to support a blatantly false claim about where most new power is coming from.

So here's something not from AI

Advancements in heat pump technology

Enabling efficient operation in sub-zero ambient temperatures

In recent years, both residential and commercial heat pumps have undergone transformative upgrades, allowing reliable operation down to -15°F (-26°C) or lower. These advancements come from sophisticated engineering solutions to tackle the challenge of providing an efficient heat pump for extreme cold weather.

Some of these solutions include technologies such as variable-speed compressors, advanced electronic controls, and techniques like enhanced vapour injection (EVI) often integrated with economizer cycles. This article explores how these technologies overcome the thermodynamic challenges of low ambient temperatures, enabling year-round performance in harsher colder climates.

https://mechanicalbusiness.com/2025/12/18/advancements-in-heat-pump-technology/

The Future of Heat Pumps: Innovation Driving the Next Generation of Heating

One of the most significant advances has been the development of high-temperature heat pumps, capable of producing water at 80–90°C. These systems unlock vast retrofit potential in older buildings and are now being deployed across Scandinavia, Germany, and the Netherlands, powering district heating networks and replacing industrial fossil fuel systems in sectors like food processing, textiles, and chemicals.

https://www.platmech.ie/the-future-of-heat-pumps

21 minutes ago, Yellowtail said:

Did you not understand the question?

Again: "What percentage of the world's electricity was generated by wind and solar in 2023?"

It's not a deceptive question, a big chunk of the 30% includes hydroelectric which has been around for ~150 years.

It's you that are being deceptive, because you have nothing,

It's a deceptive question because those are legacy sources of electricity. Do you think it's possible to travel backwards in time to replace that installed base? Are you a time traveller What's significant is where most of the new power is coming from. Where the markets are now.

10 minutes ago, mordothailand said:

https://www.theguardian.com/environment/2004/feb/22/usnews.theobserver

A secret report, suppressed by US defence chiefs and obtained by The Observer, warns that major European cities will be sunk beneath rising seas as Britain is plunged into a ‘Siberian’ climate by 2020. Nuclear conflict, mega-droughts, famine and widespread rioting will erupt across the world.

The findings will prove humiliating to the Bush administration, which has repeatedly denied that climate change even exists. Experts said that they will also make unsettling reading for a President who has insisted national defence is a priority.

https://cei.org/blog/wrong-again-50-years-of-failed-eco-pocalyptic-predictions/

ANd what does this have to do with scientific research published in journals? Cherry picking much?

3 minutes ago, Alan Zweibel said:

ANd what does this have to do with scientific research published in journals? Cherry picking much?

IPCC panel & Co arent any better

1 hour ago, Yellowtail said:

I was not the one pretending there was some new technology, and you are right, plenty of old technology is great, just look what Norway does with their 100-year-old technology.

What percentage of the world's electricity was generated by wind and solar in 2023?

What argument are you trying to make?

Wind and solar combined to generate a record 13.4% of the world’s electricity in 2023, up from 11.9% in 2022. Solar generation grew by over 23% and wind by nearly 10%, cementing their role as the fastest-growing electricity sources and contributing to a record 30% share for all renewable energy sources

1 minute ago, mordothailand said:

IPCC panel & Co arent any better

First off, why is it that climate change denialists rely so heavily on videos? I can only surmise that they do it because it's a lot more cumbersome to fact check a video than it is to fact check the written world. Also, who but a true believer would want to spend the time viewing information that can assimilated far more quickly by reading? Using such a medium instead of the written word may also say something significant about the analytical abilities of their target audience.

Basically climate gate started with hackers who selectively and misleadingly leaked excerpts from climatologists communications. Here's one example of how these dishonest folk work:

"Claims that the e-mails are evidence of fraud or deceit, however, misrepresent what they actually say. A prime example is a 1999 e-mail from Jones, who wrote: "I've just completed Mike's Nature trick of adding in the real temps to each series for the last 20 years (i.e., from 1981 onwards) and from 1961 for Keith's to hide the decline." Skeptics claim the words "trick" and "decline" show Jones is using sneaky manipulations to mask a decline in global temperatures. But that's not the case. Actual temperatures, as measured by scientific instruments such as thermometers, were rising at the time of the writing of this decade-old e-mail, and (as we've noted) have continued to rise since then. Jones was referring to the decline in temperatures implied by measurements of the width and density of tree rings. In recent decades, these measures indicate a dip, while more accurate instrument-measured temperatures continue to rise.

Scientists at CRU use tree-ring data and other "proxy" measurements to estimate temperatures from times before instrumental temperature data began to be collected. However, since about 1960, tree-ring data have diverged from actual measured temperatures. Far from covering it up, CRU scientists and others have published reports of this divergence many times. The "trick" that Jones was writing about in his 1999 e-mail was simply adding the actual, measured instrumental data into a graph of historic temperatures. Jones says it's a "trick" in the colloquial sense of an adroit feat—"a clever thing to do," as he put it — not a deception. What's hidden is the fact that tree-ring data in recent decades doesn't track with thermometer measurements. East Anglia Research Professor Andrew Watson explained in an article in The Times of London:"

https://www.newsweek.com/factcheck-climategate-doesnt-refute-global-warming-75749

1 hour ago, Alan Zweibel said:

Basically climate gate started with hackers who selectively and misleadingly leaked excerpts from climatologists communications.

really? - did they have hackers then?? - Climate change caused by human activity was first scientifically forecast in 1896 by Swedish chemist Svante Arrhenius,

9 hours ago, mordothailand said:

the 16 trillion USD campaign havnt altered the climate by even one tenth of one degree celsius,

which is a good thing since current temperature is too low to be optimal already

I guess that's why insurance premiums for natural disasters such as bushfires and hurricanes are so stable.

I do agree on one aspect, the billions spent on Carbon Capture and Storage (CCS) is thermodynamic nonsense. There is not a single CCS plant on the planet operating as designed.

What's your idea of an optimal temperature?

13 hours ago, Yellowtail said:

Do you have a car and air conditioning?

Yes. The car is 20 years old, small and economical. I run my aircon at 28 C. I was one of the first people in Australia to instal rooftop solar.

What's your point, apart from trying to gaslight me?

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