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Global Warming & Climate Change: The Phenomenon

Wasn't XR who put it up, though.

Easy to say, after the response it received was noted.

Did they also disclaim the XR group that forced an ambulance to reroute?

iu


maximus otter
 
Easy to say, after the response it received was noted.

Did they also disclaim the XR group that forced an ambulance to reroute?

maximus otter

Not that I'm aware. They did, however, clarify procedure and stated that ambulances with blue lights flashing would be allowed to pass.
 
Not that I'm aware. They did, however, clarify procedure and stated that ambulances with blue lights flashing would be allowed to pass.

How kind of them, to let that crumb fall from their table.

I believe that they flew a kite with that poster and, when the response was understandably negative, they retreated behind a cloud of ink. That's the good thing about being an...activist...group: everything's deniable because nothing's official. If it works, the group takes the credit; if it doesn't, well, "Look over there: a bunny!"

"Victory has a hundred fathers, but defeat is an orphan."

Galeazzo Ciano

maximus otter
 
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Billions projected to suffer nearly unlivable heat in 2070

In just 50 years, 2 billion to 3.5 billion people, mostly the poor who can't afford air conditioning, will be living in a climate that historically has been too hot to handle, a new study said.

With every 1.8 degree increase in global average annual temperature from man-made climate change, about a billion or so people will end up in areas too warm day-in, day-out to be habitable without cooling technology, according to ecologist Marten Scheffer of Wageningen University in the Netherlands, co-author of the study.

How many people will end up at risk depends on how much heat-trapping carbon dioxide emissions are reduced and how fast the world population grows.

[...]

But even scenarios considered more likely and less severe, project that in 50 years a couple of billion people will be living in places too hot without air conditioning, the study said.

https://phys.org/news/2020-05-billions-unlivable.amp
 
How did people manage in past interglacials?




They conserved water, they conserved energy, They utilised the early mornings and late evenings, and rested during the majority of the day. They encouraged prey with firestick agriculture and with watersources, and they sourced pretty much all forms of protein.

They organised their society so that social taboos prevented excess pregnancies and organised specific food for specific tiers of their immediate society according to their dietary needs.

They nomadically travelled a country to gain benefit from climate patterns and edible flora - they became almost completely conversant with the opportunities and adverse conditions of their territory.

They'd leave us for dead.
 
They conserved water, they conserved energy, They utilised the early mornings and late evenings, and rested during the majority of the day. They encouraged prey with firestick agriculture and with watersources, and they sourced pretty much all forms of protein.

They organised their society so that social taboos prevented excess pregnancies and organised specific food for specific tiers of their immediate society according to their dietary needs.

They nomadically travelled a country to gain benefit from climate patterns and edible flora - they became almost completely conversant with the opportunities and adverse conditions of their territory.

They'd leave us for dead.

And there weren't almost 8 billion of them.
 
So, we are getting back to Malthus again. What is new?

But, Mungoman, you are right, people did adapt.

This is one thing I have learned in Archaeology, -folk live in harsh environments...and often the harsher, the keener they are to be there.
 
So, we are getting back to Malthus again. What is new?

But, Mungoman, you are right, people did adapt.

This is one thing I have learned in Archaeology, -folk live in harsh environments...and often the harsher, the keener they are to be there.


True Kondoru - Who, on Gods Earth would want to live in the arctic circle with hide tents in summer and ice constructions in winter?

Interestingly enough, the thought has just occurred to me that I do prefer the heat of the Australian Bush where It is not uncommon to work outside in temperatures of 55 (130) degrees in summer - rather than the temperate climes of the Central Eastern coast and hinterland.


We are a weird mob Kondoru.
 
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It's an ill wind ...

Beavers gnawing away at the permafrost
The large rodents are massively changing landscapes in the Arctic


Date :June 29, 2020

Source: Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research

Summary: Alaska's beavers are profiting from climate change, and spreading rapidly. In just a few years' time, they have not only expanded into many tundra regions where they'd never been seen before; they're also building more and more dams in their new homes, creating a host of new water bodies.

https://www.sciencedaily.com/releases/2020/06/200629202009.htm
 
Im currently reading a book called `A Mosaic of Islands` by Williamson and Boyd. It was published in 1963.

They are naturalists who speak a lot about global warming.
 
Im currently reading a book called `A Mosaic of Islands` by Williamson and Boyd. It was published in 1963.

They are naturalists who speak a lot about global warming.

Yes, the warnings are not new. I have a Book of Predictions from 1980, and in the "End of the World" section it predicts global warming will cause utter devastation in about seventy years. Not long to go...
 
During the 19th century a number of different streams of research established first the notion that climate changes, then that its changes might be tied to atmospheric / solar interplay, and finally that prospective changes could be quantified. The "greenhouse effect" label used for global warming phenomena 50 - 60 years ago dates back to the first decade of the 20th century.
 
I thought global cooling was all the rage in the 70s?

The idea that climate could also get cooler dates back to the 19th century as well. The original motivation for researching the possibility of climate change was the then-theory that there had once been ice ages.

The resurgence of interest in global cooling in the Seventies had a lot to do with the Cold War and the emergent concept of nuclear winter.
 
Mont Blanc melting glacier yields India newspapers that could be from 1966 plane crash

The Mont Blanc glacier in the French Alps is yielding more secrets as it melts – this time a clutch of newspapers with banner headlines from when Indira Gandhi became India’s first, and so far only, female prime minister in 1966.

The copies of Indian newspapers the National Herald and the Economic Times were probably aboard an Air India Boeing 707 that crashed on the mountain on 24 January, 1966, claiming 177 lives.

The trove of around a dozen newspapers was found last week by Timothee Mottin, who runs a cafe-restaurant, La Cabane du Cerro, at an altitude of 1,350 metres (4,455 feet) near the Chamonix skiing hub.

“They are drying now but they are in very good condition,” Mottin, 33, said. “You can read them.”

One of the 1966 newspapers found at the Bossons glacier near Chamonix in the French Alps
 
What is this guy on?

You dont thaw out frozen paper, then dry.

You keep frozen and sublime the water out.

But, good find.

My reading is that the newspapers weren't frozen when he found them - he didn't dig them out of the glacier - they'd emerged from melting.

He's not an archivist, he's a man with a cafe at altitude who displays stuff he finds.
 
Whatever the cause this is bad news.

Alaska is getting wetter. A new study spells out what that means for the permafrost that underlies about 85% of the state, and the consequences for Earth's global climate.

The study, published today in Nature Publishing Group journal Climate and Atmospheric Science, is the first to compare how rainfall is affecting permafrost thaw across time, space, and a variety of ecosystems. It shows that increased summer rainfall is degrading permafrost across the state.

As Siberia remains in the headlines for record-setting heat waves and wildfires, Alaska is experiencing the rainiest five years in its century-long meteorological record. Extreme weather on both ends of the spectrum—hot and dry versus cool and wet—are driven by an aspect of climate change called Arctic amplification. As the earth warms, temperatures in the Arctic rise faster than the global average.

While the physical basis of Arctic amplification is well understood, it is less known how it will affect the permafrost that underlies about a quarter of the Northern Hemisphere, including most of Alaska. Permafrost locks about twice the carbon that is currently in the atmosphere into long-term storage and supports Northern infrastructure like roads and buildings; so understanding how a changing climate will affect it is crucial for both people living in the Arctic and those in lower latitudes.

https://phys.org/news/2020-07-alaska-wetter-bad-news-permafrost.html
 
Analysis of long-term survey data indicates Greenland's ice sheet attrition is now past the point of no return ...
Warming Greenland ice sheet passes point of no return

Nearly 40 years of satellite data from Greenland shows that glaciers on the island have shrunk so much that even if global warming were to stop today, the ice sheet would continue shrinking.

The finding, published today, Aug. 13, in the journal Nature Communications Earth and Environment, means that Greenland's glaciers have passed a tipping point of sorts, where the snowfall that replenishes the ice sheet each year cannot keep up with the ice that is flowing into the ocean from glaciers.

"We've been looking at these remote sensing observations to study how ice discharge and accumulation have varied," said Michalea King, lead author of the study and a researcher at The Ohio State University's Byrd Polar and Climate Research Center. "And what we've found is that the ice that's discharging into the ocean is far surpassing the snow that's accumulating on the surface of the ice sheet." ...

Before 2000, the ice sheet would have about the same chance to gain or lose mass each year. In the current climate, the ice sheet will gain mass in only one out of every 100 years.

King said that large glaciers across Greenland have retreated about 3 kilometers on average since 1985--"that's a lot of distance," she said. The glaciers have shrunk back enough that many of them are sitting in deeper water, meaning more ice is in contact with water. Warm ocean water melts glacier ice, and also makes it difficult for the glaciers to grow back to their previous positions.

That means that even if humans were somehow miraculously able to stop climate change in its tracks, ice lost from glaciers draining ice to the ocean would likely still exceed ice gained from snow accumulation, and the ice sheet would continue to shrink for some time. ...

FULL STORY: https://www.eurekalert.org/pub_releases/2020-08/osu-wgi081320.php
 
A new study supports predictions that the Arctic could be free of sea ice by 2035

August 10, 2020
British Antarctic Survey
www.sciencedaily.com

High temperatures in the Arctic during the last interglacial -- the warm period around 127,000 years ago -- have puzzled scientists for decades. Now the UK Met Office's Hadley Centre climate model has enabled an international team of researchers to compare Arctic sea ice conditions during the last interglacial with present day. Their findings are important for improving predictions of future sea ice change.

During spring and early summer, shallow pools of water form on the surface of Arctic sea-ice. These 'melt ponds' are important for how much sunlight is absorbed by the ice and how much is reflected back into space. The new Hadley Centre model is the UK's most advanced physical representation of the Earth's climate and a critical tool for climate research and incorporates sea-ice and melt ponds.

Using the model to look at Arctic sea ice during the last interglacial, the team concludes that the impact of intense springtime sunshine created many melt ponds, which played a crucial role in sea-ice melt. A simulation of the future using the same model indicates that the Arctic may become sea ice-free by 2035.

https://www.sciencedaily.com/releases/2020/08/200810113216.htm
 
Analysis of long-term survey data indicates Greenland's ice sheet attrition is now past the point of no return ...


FULL STORY: https://www.eurekalert.org/pub_releases/2020-08/osu-wgi081320.php

Here's the forecast for Nord, Greenland, for the next few days, courtesy of the Danish Met Office. It's going to rise to a midsummer tropical madness of 0.8°C on the 22nd, so dig out those bikinis!

Temperature-for-Greenland-Aug-2020.jpg


Here's the temperature (in degrees Fahrenheit) for Summit, Greenland, so far this year:

met_5f3a4900d8b06.png


https://www.esrl.noaa.gov/gmd/dv/iadv/graph.php?code=SUM&program=met&type=met

Note that it peaked at a scorching 2°F ( minus 16.7°C).

Greenland has 684,000 cubic miles of ice.

maximus otter

PS: I just did a two-minute casual Google, and discovered that only seven months ago, Greenland set a new record low in temperature:

summit_camp_e1578045880344.jpg


"...Summit Camp's preliminary low of -86.8F (-66C) set at 11:13 PM on January 02, 2020.

The reading, once confirmed by the DMI, will enter the books as Greenland's coldest-ever recorded temperature-not only at Summit Camp, and not only in January, but of anywhere across the island, and of any month of the year."

summit_camp_temps.jpg


https://www.sott.net/article/426761-Greenland-just-set-a-new-all-time-record-low-temperature

m.o.
 
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Meanwhile, the hottest temperature ever recorded on Earth (with reliable instruments) has occurred in Death Valley at 54.4C:
News story

And in California, the land is being blasted by a huge fire tornado (pic at link). It's getting so hot on this planet, we're getting new forms of weather.
 
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Here's the forecast for Nord, Greenland, for the next few days, courtesy of the Danish Met Office. It's going to rise to a midsummer tropical madness of 0.8°C on the 22nd, so dig out those bikinis!

"...Summit Camp's preliminary low of -86.8F (-66C) set at 11:13 PM on January 02, 2020.

The reading, once confirmed by the DMI, will enter the books as Greenland's coldest-ever recorded temperature-not only at Summit Camp, and not only in January, but of anywhere across the island, and of any month of the year." ...

These isolated factoids aren't representative of Greenland overall, and they aren't directly relevant to the broader issue of the ice sheet's deterioration.

Nord is the second-northernmost permanent settlement in Greenland - north of the Arctic Circle and only some 574 miles from the North Pole. Summit Camp is positioned at the highest point of the ice sheet in the center of Greenland - at an elevation of 10,551 feet.

Frozen cherry-picking is still cherry picking.
 
Here's the forecast for Nord, Greenland, for the next few days, courtesy of the Danish Met Office. It's going to rise to a midsummer tropical madness of 0.8°C on the 22nd, so dig out those bikinis!

Temperature-for-Greenland-Aug-2020.jpg


Here's the temperature (in degrees Fahrenheit) for Summit, Greenland, so far this year:

met_5f3a4900d8b06.png


https://www.esrl.noaa.gov/gmd/dv/iadv/graph.php?code=SUM&program=met&type=met

Note that it peaked at a scorching 2°F ( minus 16.7°C).

Greenland has 684,000 cubic miles of ice.

maximus otter

PS: I just did a two-minute casual Google, and discovered that only seven months ago, Greenland set a new record low in temperature:

summit_camp_e1578045880344.jpg


"...Summit Camp's preliminary low of -86.8F (-66C) set at 11:13 PM on January 02, 2020.

The reading, once confirmed by the DMI, will enter the books as Greenland's coldest-ever recorded temperature-not only at Summit Camp, and not only in January, but of anywhere across the island, and of any month of the year."

summit_camp_temps.jpg


https://www.sott.net/article/426761-Greenland-just-set-a-new-all-time-record-low-temperature

m.o.

Much as I appreciate your attempts at painting a rosier picture, the trend re Greenland doesn't seem to be encouraging.

Climate change: 'Unprecedented' ice loss as Greenland breaks record
 
Unprecedented! That word again!

If you read the article 'unprecedented' is a perfectly apt word. Greenland is melting faster than it ever has done in records dating from 1948. That's if you believe the scientists. These are people who actually study the subject, see the trend, make forecasts etc. They don't just take a few random temperature measurements. They could be making it all up of course.
 
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