Comments by "Quentin Newark" (@quentinnewark2745) on "Brutal Boris u0026 Extinction Rebellion mayhem - The Week in 60 Minutes | SpectatorTV" video.
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@blahdelablah How to compress the answer.
If you google a bit, you can find the ‘average global temperature’ (which is itself a construction, temperature is only ever localised) going back 500m years. Back to the Cambrian and the advent of multicellular life.
You’ll see it rising and falling dramatically, varying by 40°c and more, partial glaciation, all brought about by natural processes.
There are three significant things about this chart. 1. There is no flat line for any extended period, 2. Natural processes are responsible for every rise/fall, since we evil humans were worms or mice or apes for almost all of it, 3. There is absolutely no correlation between CO2, one of the most minor atmospheric gases, and temperature… its 3,000 parts per million during an ice age (it is currently 350 parts per million, the climate “crisis” is it may rise to 400 parts per million).
Scientists are humans, and subject to human frailties. Arrogance, prejudice, sunk-cost-stick-in-the-mudism. There is no “The Science”, just data, which is either solid or modelled/estimated. And then various ways of interpreting that data.
Some scientists have convinced themselves CO2 is the single most significant gas on earth, and its tiny rise is calamitous. Other like Patrick Moore (founder of Greenpeace), Michael Shellenberger, Bjorn Lomborg, are either sceptical of that, sceptical of the “zero CO2” thing, or see it as simple misprision.
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@blahdelablah “Therefore, if the main source of heat is not increasing, and even if you take into account the time lag between changes in the world's ecosystems and the global temperature, it stands to reason that something has resulted in increased heat insulation.”
I don’t agree. You set up the sun as the sole cause of temperature rise. The same sun was shining when the glaciations occurred, or in the early Cenozoic when the temperature were 15ºc higher than today. Sun plus magma plus sea currents (most of world’s CO2 is in the oceans) plus volcanic activity plus arrangement of land mass (we have been through several arrangements of continents and supercontinents plus magnetic effects of the sun, moon (the tides all dependent on the moon).
I can tell you haven’t bothered to look at temperature variation over 500m years, because all the points you raise are focused on now.
The climate has been relatively stable for at least 10,000 years, and all of a sudden starts ramping up at the same time the world's economies became industrialised and increasingly dependent on fossil fuels. Are you suggesting that this correlation is just a coincidence?
Coincidence or association? Explain then: Roman warm period and Minoan warm periods both about 1ºc warmer (average) than today. And huge mountain-range-looking rises 7,000, 8,000, 9,000 years ago. Obviously before your supposed flat-line (nowhere to be seen), the (average) global temperature was below freezing, and that massive change was by natural means… only the sun using your simple model to explain a hugely complex fluid phenomenon.
“Regarding water vapour being the dominant greenhouse gas... “
Its not usually considered a “greenhouse gas”, nor did I call it such, but as I referred to it, an atmospheric gas. The majority compared to what is almost a trace gas 0.03% CO2. Then you just cut-and-paste some doctrinal US website data. Maybe a “easy ways to refute a skeptic” help site?
“Aside from this, if you think CO2 is just "called" a greenhouse gas, do you also think methane is just "called" a greenhouse gas, or do you think it actually is a greenhouse gas?”
I clearly don’t swallow the CO2 hypothesis. Or the attached anthropogenic hypothesis. The temperature of the planet clearly does what it will, it varied massively when we were worms, it may well, probably is, varying now, why would it suddenly stop? For the 500m years we have some kind of estimates of temperature and CO2, there is zero correlation. I never saw a chart showing methane. But as it is 0.00017% of atmospheric gases, are you asking me is it a big part of the atmosphere, is it a key player? No. Its way more insignificant than the 0.03% of CO2.
You have been conned by the now discredited ‘hockey-stick’, all the manipulated data that made such an alarming looking uptick.
When you look from further away, half a billion years, CO2 is at a half-billion year low, temperatures historically pretty low, and all the natural processes that caused rises and drops to date still active…
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