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Climate denial on the other hand is a lot more objective. Do the actions of human beings effect the climate? The scientific consensus overwhelmingly says yes and there are mountains of evidence and peer reviewed studies to prove it. This is an objective, measurable fact.
In either case, yes, political agenda should be left out of it, which is precisely why the Republicans that push this nonsense and the Democrats who fear monger about GMOs should both cut it out for the good of the nation.
Primary scientific opposition to the primacy of CO2 in climate science comes from Europe, not the US, and has nothing to do with the Republican party. An example:
Radiation Transfer Calculations and Assessment of Global Warming ...
https://www.hindawi.com/journals/ijas/2017/9251034/
by H Harde - 2017 - Cited by 2 - Related articles
Nov 1, 2016 - To deduce the lw absorptivity at cloudiness from the radiation transfer calculations, the absorbed intensity listed in column 6 of Table 3, which now reflects the total absorption caused by the GH gases and the clouds, has to be reduced by the cloud fraction.
[h=4]Abstract[/h]
We present detailed line-by-line radiation transfer calculations, which were performed under different atmospheric conditions for the most important greenhouse gases water vapor, carbon dioxide, methane, and ozone. Particularly cloud effects, surface temperature variations, and humidity changes as well as molecular lineshape effects are investigated to examine their specific influence on some basic climatologic parameters like the radiative forcing, the long wave absorptivity, and back-radiation as a function of an increasing CO2concentration in the atmosphere. These calculations are used to assess the CO2 global warming by means of an advanced two-layer climate model and to disclose some larger discrepancies in calculating the climate sensitivity. Including solar and cloud effects as well as all relevant feedback processes our simulations give an equilibrium climate sensitivity of
= 0.7°C (temperature increase at doubled CO2) and a solar sensitivity of
= 0.17°C (at 0.1% increase of the total solar irradiance). Then CO2 contributes 40% and the Sun 60% to global warming over the last century.