Comments by "Marc Jones" (@QT5656) on "A Shift in the Earth's Cycles Is Coming - Will It Affect You?" video.

 @valoriethechemist Water vapour is condensable. Atmospheric content varies with air temperature. Therefore, water vapour is an amplifier not a driver of climate change. This is basic stuff.
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 @wasdwasdedsf You are deeply misinformed.
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 @Codysdab Utter nonsense.
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@wasdwasdedsf Are you a bot just copying what I write? 😂 You should try learning some science.
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@wasdwasdedsf Which scientist claimed that New York would be underwater in 2014?
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@Codysdab Even Exxon's own relatively simple extrapolation from the 1970s closely matches current observations.
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@Codysdab The inescapable fact is that overall global temperatures keep warming as CO2 ticks up just as climate scientists predicted in the 1970s and earlier (about 0.5 C for every 50 ppm). Also as they predicted, nights are warming faster than days, high latitudes are warming faster than low latitudes, winters are warming faster than summers, the upper atmosphere is cooling.
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@Codysdab Nonsense, models from the 1970s (and even 1930s) have correctly predicted the amount of warming relative to the amount of increased atmospheric CO2.
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If it's not CO2 please explain why the upper atmosphere is cooling and why nights are warming faster than days.
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@Codysdab LOL, that isn't true at all. In the 1980s Jim Hansen made three projections based on different emission scenarios. Because we have reduced emissions somewhat current observations fit with scenarios B and C. Are you expecting scientists to also guess whether humans would reduce emissions or not?
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@Codysdab In 1970 Benton wrote "The effect of carbon dioxide is to increase the earth's temperature by absorbing outgoing terrestrial radiation. Recent numerical studies have indicated that a 10% increase in carbon dioxide should result, on the average, in a temperature increase of about 0.3OC at the earth's surface. The present rate of increase of 0.7 ppm per year would therefore (if extrapolated to 2000 A.D.) result in a warming of about 0.60C - a very substantial change." He was correct.
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@Codysdab Manabe and Wetherald's predictions from 1967 have also proven correct.
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@Codysdab Guy Stewart Callendar's relatively simple model from 1938 also closely matches current observations.
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@Codysdab Climate refers to temperatures over a 30 year period so the 2005-2015 pause is irrelevant for evaluating his model. Moreover, the "pause" is mainly based on a dishonest comparisons by Spencer between satellite data measuring mid troposphere temperature vs predictions of surface temperatures.
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@wasdwasdedsf Within the past 800,000 years CO2 levels have been below 180 ppm and the plants didn't die. Moreover, all modern crops evolved while CO2 levels were below 300 ppm. We are now at 425 ppm and it keeps increasing.
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@Codysdab You clearly aren't someone who is familiar with sensitivity analysis, statistics, or science in general.
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