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How do you know what is taught in every school, much less what was taught in every school back in the 1960's?
My Earth Science teacher talked about it in 1967 as did a Sociology teacher a couple years later. My college Earth Science instructor also talked about it the early 70s.
Guess he was talking about students in DC where they spend $23,000 per student and have the highest drop out rate and poorest scores in the country. Pure Democrat failure.
For comparison South Korea spends about 6k per student and score the highest in the world.
Even our scientists admit they do not know what goes into causing el nino, la nina, or polar vortexes, all they can do is monitor for them, and then predict weather accordingly. But this does not prevent the AGW enthusiasts from blaming CO2 for the weather events caused by these little understood global events.
Just like the blame human-induced CO2 for La Nina weather events.
We can't just go blaming CO2 for weather events. At least, I can't because I do not have the facts and I do not know what weather scientists have postulated although I'm sure they would been looking to understand the causes.
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Originally Posted by Wapasha
Except that if it were not for the modern day natural warming trends which started in the 1800s, we would not have warmed out of the LIA; we'd still be caught in it. So who is to say, since the LIA, how much warmer the planet is supposed to be warming up to? Is there a climate normal where we are supposed to be at, or did humans artificially warm us out of the LIA?
These are my thoughts too. It does look as though the earth was in a cooling phase overall but then the Maunder minimum is an accepted thing and that had ended before the warming began. If memory serves, according to the Milankovitch cycle model, and looking at past interglacial temperatures (how reliable are those determinations?), it would seem that the earth was naturally cooling as it re-enters a period of glaciation.
Then again, there was that LIA which is thought to have been cause by the Maunder minimum, that brought the temperature down. There may or may not have been volcanic eruptions at the same time which would have exacerbated the effect (I haven't checked).
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Originally Posted by Wapasha
When was that, during the back-to-back El Nino events of the early 1990s?
That was back in the 70's I think. There wasn't much going in between the 40's and 70's but alarms were being raised. The observation that I made in the late 80's and 90's was that summer temperatures were just as high as before and winters just as cold. But, summers seemed to be getting longer and winters shorter. I don't remember now but I seem to think that was actually confirmed? I could be wrong though.
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Originally Posted by Wapasha
Because we just went thru two decades of measurable cooling. The AGW crowd referred to it as the pause, because they could not explain it.
My understanding is that the pause between mid 1940 and 1980 is well understood.
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The mid-century cooling appears to have been largely due to a high concentration of sulphate aerosols in the atmosphere, emitted by industrial activities and volcanic eruptions. Sulphate aerosols have a cooling effect on the climate because they scatter light from the Sun, reflecting its energy back out into space.
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The rise in sulphate aerosols was largely due to the increase in industrial activities at the end of the second world war. In addition, the large eruption of Mount Agung in 1963 produced aerosols which cooled the lower atmosphere by about 0.5°C, while solar activity levelled off after increasing at the beginning of the century.
So, there had been an increase in solar activity contributing to global warming as well. I didn't know that.
Anyway, it's an interesting topic and a lot more complicated than one might expect at first glance.
Here's a graph showing the effects of volcanic eruptions.
The rise in sulphate aerosols was largely due to the increase in industrial activities at the end of the second world war. In addition, the large eruption of Mount Agung in 1963 produced aerosols which cooled the lower atmosphere by about 0.5°C, while solar activity levelled off after increasing at the beginning of the century
Because I went to school in the 1960's. Never was it mentioned.
All that proves is that it wasn't mentioned at the particular school(s) you attended. Why you think you can extrapolate that to all schools is baffling.
He's not exactly kidding. He simply doesn't know what he's talking about, and can't prove any of it.
He does this fairly frequently on this forum. He rotely recites talking points, doesn't offer any proof, calls people names, and then announces that it's up to others to prove HIM wrong.
Isn't he cute?
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Originally Posted by Elliott_CA
I do offer proof. Climate deniers just ignore it. Happens all the time.
No, I don't expect others to prove me wrong; I expect climate deniers to prove SCIENCE wrong. And towards that end the climate deniers have failed miserably. Climate deniers have no data to back up their theories, zero proof that the planet is not warming, zero proof that extreme weather is not happening, and they resort to pseudo fake "science" featuring lots of blah blah about interglacial periods and sunspots
He occasionally reappears in the thread claiming he has provided proof... but never actually shows any, and merely keeps calling people names.
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