WTF Climate Change News

Beebo Brink

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Fionalein

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There's evidence that most tree species around the world already routinely operate near damaging thresholds of water stress, and that they are unable to cope with the rising frequency and intensity of heat extremes.
"sounds quite right"

Fionalein - silvicultural engineer
 

Innula Zenovka

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Wasn't sure if this should go here or in the Australia thread but, since it concerns the future policy of News Corp and Fox as a whole, rather than simply their Australian titles, I thought probably here is best


 

Ishina

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I read through the comments, which was a useful reminder of how many people are scientifically illiterate and seem incapable of understanding the basic concepts of climate change. My favorites are the posters that smugly state "This is all cyclical. The earth has been hotter and colder since long before humans." They completely overlook the significance of "before humans" and the implied "after humans" that comes with it. Mass exterminations accompanied those swings from hot to cold and back again.
My favourite is "But plants love co2," as though plant survival is the only concern. I also like "We survived one ice age already," as though managing to eke out some semblance of subsistence in a post-apocalyptic frozen wasteland is a reassuring prospect.
 

Fionalein

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We survived one ice age already,
Yes we did, our planet did several.

Each time we lost many highly advanced species. But this time the changes happen more rapidly than ecosystems can migrate along longitudes.

Example: after the last ice age forrests reclaimed Europe and Asia. Steppe ecosystems slowly moved north. This did not happen in an instant it was quite slowly - the last mammoths still roamed the earth while Egyptians had the funny idea to build pyramids. The local climate would have allowed their ecosystem to vanish long ago - but it took ages to reach it's climax state (if there even is such a thing).

Danger: if an ecosystem cannot invade advantagous terrain fast enough while it looses ground to climate change it will simply dissappear. With no successor plants the fertile soils buildt up over millenia of pedogenesis will fall victim to errosion, most likely being deposited unaccessable to us in the seas. This will most likely lead to an explosion of microbe and algae activity in the seas and we will loose those ecosystems as well (most maritime ecosystems would have been capable of migrating fast enough but they cannot escape the global nutrient boosts in all seas).

tldr: If we just continue we will fuck up big time, Greta is wrong in some minor details but gets most of them right on the spot - no, she is not overreacting LISTEN TO HER DAMMIT!
 
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Beebo Brink

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I also like "We survived one ice age already," as though managing to eke out some semblance of subsistence in a post-apocalyptic frozen wasteland is a reassuring prospect.
:qft:

And what they always ignore is that the human population during the ice age was around 100,000 to 300,000 people, not even half a million. Say good-bye to about 7 billion people.
 

Fionalein

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:qft:

And what they always ignore is that the human population during the ice age was around 100,000 to 300,000 people, not even half a million. Say good-bye to about 7 billion people.
They also ignore the fact that half of the available species of humans did not make it past that ice age.
 
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Katheryne Helendale

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:qft:

And what they always ignore is that the human population during the ice age was around 100,000 to 300,000 people, not even half a million. Say good-bye to about 7 billion people.
A global population of less than half the size of Fresno. Global population.

That's just mind-blowing!
 

Innula Zenovka

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Good to see my home town (city) in the news for, somewhat unusually, something laudable.


Actually, to be fair, while Nottingham has long had the reputation of being a cynical, corrupt and cheerfully amoral place, the city has had a pretty long and decent record of promoting public transport, at least in the centre (like since the early 70s).

After all, we're cynical, corrupt and cheerfully amoral socialists, at least at the level of city government, dammit.
 

Beebo Brink

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At an intense level of combined heat and humidity—a “wet bulb” reading of 35 degrees Celsius, hotter and more humid than humans have ever experienced—the air will become so muggy that people can’t sweat and their organs begin to shut down. A healthy person sitting outside could eventually overheat and die, even if they’re resting in the shade. And by 2030, there’s a chance that this type of deadly heat wave could hit regions in India where as many as 200 million people live.
The researchers looked at the impacts from a high-emissions scenario, but note that what happens by 2030 will be similar even if we rapidly cut emissions now; emissions cuts will have more impact in the future. “The warming for the next 10 years, and many of the climate outcomes, are kind of locked in,” says Dickon Pinner, head of McKinsey Sustainability. Warming will also continue for at least a decade even if the world hits net-zero emissions.