Say hello, to MASS EXTINCTION EVENT 6, everyone!

[Peter1469]

Dya think seismic upturns might be related, to SEA LEVEL RISE?

Heard of heavy tides, washing over plates and faults, et al? Dya think?

Corrupt human activity begat global warming, climate change, and derivatives, of all sorts, see Pandora's Box.

What caused climate change 1000 years ago?

[Peter1469]

Not all Mass Extinction Events were caused by CO2 increases / climate change.

[bobgnote]

And who exactly has been monitoring co2 levels throughout geological history?

You might run a sciencey search, focusing on the EPA, skeptical science, or major universities.

It turns out, geologists do all sorts of field studies, to collect ice cores, tree rings, fossils, and gawd-knows-whut, which provide critical EVIDENCE, for SCIENTIFIC THEORIES, all of which point to CO2 as a critical forcing factor, in catastrophic climate change, which is underway, leading us into M.E.E.6.

[bobgnote]

What caused climate change 1000 years ago?

Humans were getting industry to go, but the main forcer was solar remission, including as the Maunder Minimum.

Nat Geo thinks we are on the cusp, of another such minimum, but we won't be losing enough heat, to go cold, again, due to runaway GREENHOUSE EFFECTS, yet unfelt, but well on the way.

Heard of METHANE, CH4? When it melts, it gets into the atmosphere, and all hell breaks loose.

We are passing that tipping point, NOW.

[bobgnote]

Not all Mass Extinction Events were caused by CO2 increases / climate change.

The causes of these mass extinction events are unsolved mysteries, though volcanic eruptions and the impacts of large asteroids or comets are prime suspects in many of the cases. Both would eject tons of debris into the atmosphere, darkening the skies for at least months on end. Starved of sunlight, plants and plant-eating creatures would quickly die. Space rocks and volcanoes could also unleash toxic and heat-trapping gases that—once the dust settled—enable runaway global warming.

An extraterrestrial impact is most closely linked to the Cretaceous extinction event. A huge crater off Mexico's Yucatán Peninsula is dated to about 65 million years ago, coinciding with the extinction. Global warming fueled by volcanic eruptions at the Deccan Flats in India may also have aggravated the event. Whatever the cause, dinosaurs, as well as about half of all species on the planet, went extinct.

Massive floods of lava erupting from the central Atlantic magmatic province about 200 million years ago may explain the Triassic-Jurassic extinction. About 20 percent of all marine families went extinct, as well as most mammal-like creatures, many large amphibians, and all non-dinosaur archosaurs. An asteroid impact is another possible cause of the extinction, though a telltale crater has yet to be found.

This Nat Geo rant is not dated, which is typical, of poor websites, which get petrodollars and nuclear geek money.

Largest Ever Die-Off
The Permian-Triassic extinction event about 250 million years ago was the deadliest: More than 90 percent of all species perished. Many scientists believe an asteroid or comet triggered the massive die-off, but, again, no crater has been found. Another strong contender is flood volcanism from the Siberian Traps, a large igneous province in Russia. Impact-triggered volcanism is yet another possibility.

Starting about 360 million years ago, a drawn-out event eliminated about 70 percent of all marine species from Earth over a span of perhaps 20 million years. Pulses, each lasting 100,000 to 300,000 years, are noted within the larger late Devonian extinction. Insects, plants, and the first proto-amphibians were on land by then, though the extinctions dealt landlubbers a severe setback.

The Ordovician-Silurian extinction, about 440 million years ago, involved massive glaciations that locked up much of the world's water as ice and caused sea levels to drop precipitously. The event took its hardest toll on marine organisms such as shelled brachiopods, eel-like conodonts, and the trilobites.

Happening Now?
Today, many scientists think the evidence indicates a sixth mass extinction is under way. The blame for this one, perhaps the fastest in Earth's history, falls firmly on the shoulders of humans. By the year 2100, human activities such as pollution, land clearing, and overfishing may have driven more than half of the world's marine and land species to extinction.

Not a bit of analysis went into CO2 or oceanic acidifycation or methane, leading to the greenhouse effect.

Nat Geo really is unreliable, yo? Get to the EPA.gov or skepticalscience.com or DARPA.gov or somewhere, for reliable media.

Radical CO2 changes were part of every one, of the previous 5 mass extinctions, if you know any science or good media, not evident, at Nat Geo.

Either the CO2 went up, such as when volcanic activity spewed this, with NO2 and SO2, to acidify waters and defoliate, or it went down, too slowly, such as during severe glaciation, when sea levels dropped, but oceans were too acidic, to respirate existing acidity, while foliage was not evident, on land.

FYI: The missing bollide impact, for the KT is likely down, near Australia, to cause the SIBERIAN TRAPS ERUPTIONS, while the Cretacious featured the Yucatan impact, which was the likely cause, of the DECCAN TRAPS ERUPTIONS.

The big traps keep erupting, for hundreds of thousands or even for a million-and-a-half years, eh?

This out-gasses, guess what! CO2, NO2, SO2. QED. CO2 comes on, too fast, and everything dies. EVERYTHING DIES.

When the ice melts, so does frozen methane, which exacerbates melting, while volcanic eruptions then may temporarily disrupt warming.

NFL.

When the air clears, particulates are all over any ice, during defoliation.

Warming and melting follow, without evident accumulation, of frozen methane.

The CO2 and CH4 have to be respirated, before any Milankovitch-related cooling, leading to reglaciation.

If the foliage is all cleared, and oceans are too acidic, a freeze can cause a mass extinction, but more usual is a hot-house, where both seismic and volcanic events are shaking up the place, too much, for plants and animals, which cannot tolerate acidic waters, algae blooms, and jellyfish explosions.

Un-dated Nat Geo simply will not suffice, for definitive media.

[bobgnote]

Woowoo. Have you sold your script to Hollywood yet?

Al Gore has books and at least one movie.

Al Gore is a guy, who wants carbon credit scamming, but all during his political career, he disdained legal pot, since if we had legal pot, we'd have industrial hemp, which the Democrats have been blowing off, since FDR signed the Hemp Stamp Tax Act, of 1937, passed in 15 minutes, by a corrupt Congress.

Then FDR moved the Pacific Fleet, to Pearl, to bait the IJN, while suppressing all intel into and alerts by Pearl forces.

After the US lost a flock, of North Carolina-class battleships and the PPI, we lost Battle of Coral Sea and Battle of Iron Bottom Sound, while Guadalcanal dragged on.

Of course, FDR signed G.O.9066, interring those scape-goated Japanese-Americans, whose property was confiscated.

Hollywood sucks, actually.

If I were a serious media honcho, I'd sell something, to BOARDWALK EMPIRE or to GAME OF THRONES, both extended, on good TV.

Here's a clue: EXPECT THE 2020s, to ROAR. Nyuk, nyuk, woo-woo.

[The Sage of Main Street]

Al Gore has books and at least one movie.

Al Gore is a guy, who wants carbon credit scamming, but all during his political career, he disdained legal pot, since if we had legal pot, we'd have industrial hemp, which the Democrats have been blowing off,


After the US lost a flock, of North Carolina-class battleships and the PPI, we lost Battle of Coral Sea and Battle of Iron Bottom Sound, while Guadalcanal dragged on.

Hollywood sucks, actually.

If I were a serious media honcho, I'd sell something, to BOARDWALK EMPIRE or to GAME OF THRONES, both extended, on good TV.

Here's a clue: EXPECT THE 2020s, to ROAR. Nyuk, nyuk, woo-woo.

Many oil tankers and ships leaking their fuel were sunk in the war, plus fires and dust from the Total War bombing of cities. All ocean life would have gone extinct and humans would have choked to death on land if the Warmalarmists had any point.

These self-righteous sheep are led by sons of industrial executives who hate their fathers. These Oedipal spoiled brats want to shut down all industry to get even with Daddy.

[lynn]

Mass extinction events happen whether humans are here or not.

[Contrails]

What caused climate change 1000 years ago?

You mean when global temperature increased by 0.4 °C over the course of about 500 years?

[bobgnote]

Here's the Brighton graph, "400K large":

Attachment 4630

Note how the red CO2-line runs way, WAY UP, over at the right, at the end of the plot.

That is human activity, getting it on, causing climate to change.

That CO2 is accompanied, by industrial GHGs, CH4, and defoliation, which means it's time to STOP POLLUTION AND POLLUTERS, NOW, or else we are going to lose a lot of people, suddenly, out of control, with all the other life forms, which are failing or vanished, already.

No other outcome is possible or to be expected.

Organisms cannot react, to the sudden accumulation, of CO2, leading to other trouble, for life forms.

Unless the stupid and greedy humans somehow die, FIRST, we stand no chance, of survival, as a viable form.

Just saying! Happy Thanksgiving!

I guess that Oboomboom kid will pardon another turkey, but he has only been good, for one prisoner, so far.

The graph shown is of consummate interest because the last several glacial cycles are really regular, lasting 80-120K years, while CO2 bottoms out, at about 180 ppm, to peak, at around 300 ppm.

The idea that mass extinctions happened, without humans is not relevant, since humans are present, and humans are causing M.E.E.6, not only by instigating climate change-related extinctions, but by introducing and wiping out species and habitats.

If American internet mavens burn enough bandwidth, with denial adverts, liability issues may crop up, in some ICC or civil action, soon!

It seems some of the people clowning around are connected, to peTROLLeum companies, you see!