Forget About Climate Change. Democrats Need to Talk About Other Issues

Is your friend as stupid as you are? The science that provide absolute evidence that GHG's heat the atmosphere was demonstrated in 1858 by John Tyndall in England. Nobody has falsified that since then. Flapyapping trying to change the subject is evidence of a very weak mind.
Tyndall's work confirmed radiant heat absorption of individual elements/compounds but he didn't do experiments replicating the atmosphere and measuring effect of different concentrations of CO2. That is the critical science still needed to confirm if CO2 has a real significant effect or not. i.e. to prove the ACC/AGW hypothesis.

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Tyndall explained the heat in the Earth's atmosphere in terms of the capacities of the various gases in the air to absorb radiant heat, in the form of infrared radiation. His measuring device, which used thermopile technology, is an early landmark in the history of absorption spectroscopy of gases. He was the first to correctly measure the relative infrared absorptive powers of the gases nitrogen, oxygen, water vapour, carbon dioxide, ozone, methane, and other trace gases and vapours. He concluded that water vapour is the strongest absorber of radiant heat in the atmosphere and is the principal gas controlling air temperature. Absorption by the other gases is not negligible but relatively small. ....
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The proof was that water vapour strongly absorbed infrared radiation. ...
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Relatedly, Tyndall in 1860 was first to demonstrate and quantify that visually transparent gases are infrared emitters.
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Highlighting my doing.

Bottom line is that most GHGs have minor effect in heating atmosphere, other than water(H2O) vapour. Water vapour usually about 10% (Or more, varies with season and geography, etc.) in addition to components of "dry" atmosphere which is the condition reflected when we see discussion of Carbon Dioxide or Methane, etc. as a percent or part of the atmosphere.
 
Man, you are ******* dumb. We have increased the CO2 in the atmosphere from 280 ppm to 424 ppm. We have increased the CH4 from about 650 ppb to over 1900 ppb. In the past, at the present levels, there were no polar ice caps. By natural climate change, the Milankovitch Cycles, we should be descending, slowly, into the next ice age.

I don't know where you got your chart, but here is a source from real scientists;


I got my chart off an internet search for such showing CO2 levels and global temperatures over centuries to millions of years. I select the one I showed because it is clear for most to read and understand. In the lower left corner is the URL for where this chart was generated.

"Real" scientists remain divided on sources and effects, etc. I'm not convinced by anecdotal subjective testimony of an individual on a video.

Atmosphere CO2 level of @280 ppm from a couple centuries ago was one of the lowest levels we've found in Earth's recorded history. The increase to 424 is not significant to prior levels that were several times that and when life was thriving on this planet.

"ppm" = Parts Per Million and 424ppm could be expressed as 424/1,000,000 or reduced to about 4/10,000 or 1/2,500 (Also as 0.04% of total DRY atmosphere. Water vapour is about 10% more or 100,000ppm/1,000,000+.).
The flim-flam scam of ACC/AGW is that the one part can cause the other 2,499 parts to also become warmer. I've yet to find the objective laboratory tests that demonstrate increasing heat to one molecule will transfer equally to the other 2,499 molecules.

If you have objective evidence to such effect, please present.

BTW, methane, at 1,900 ppb = parts per BILLION =1,900/1,000,000,000 or @0.000002% (0.0000019) of Dry Atmosphere.

BTW, please document your claim about no polar ice caps since these appear to have been around for at least 1-2 billion years and during most of that time CO2 levels were a few to several times what they are at present and average global temperatures were also often much higher.
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You may want to repeat basic K-12 math and science, especially chemistry and physics, perhaps even some early college classes, since you appear to be the one who is "*******"dumb.
 
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