Climate Change is Real

The science was settled by Arhenius in the early 20th century:

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Arrhenius estimated that halving of CO2 would decrease temperatures by 4—5 C (Celsius) and a doubling of CO2 would cause a temperature rise of 5—6 C.[8] In his 1906 publication, Arrhenius adjusted the value downwards to 1.6 C (including water vapor feedback: 2.1 C). Recent (2007) estimates from IPCC say this value (the Climate sensitivity) is likely to be between 2 and 4.5 C. Arrhenius expected CO2 levels to rise at a rate given by emissions in his time. Since then, industrial carbon dioxide levels have risen at a much faster rate: Arrhenius expected CO2 doubling to take about 3000 years; it is now estimated in most scenarios to take about a century.
Svante Arrhenius - Wikipedia

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Carbon dioxide will trap heat in our atmosphere. Even if other mechanisms are adding to warming, our contribution to the atmosphere is trapping additional heat that would otherwise be radiated into space. There is no getting around it.

In other news, cigarette companies claim that people were dying from cancer before cigarettes became popular which casts serious doubt on the link between cigarettes and lung cancer.

You mean where the increase in carbon dioxide causes a feedback resulting in higher temps? I think the implications are pretty clear. The initial heating due to the changes in the Earth's wobble and orbit result in higher solar radiation. This, in turn, heats the oceans which releases more CO2 into the atmosphere (not to mention the melting of permafrost which releases massive amounts of methane). The increased CO2 causes a feedback response which causes more warming than the increase in solar radiation alone.It comes down to a very simple question based on very simple physics. If we increase the concentration of CO2 in the atmosphere will this cause the atmosphere to trap more heat, the same amount of heat, or less heat?Edited by Taq, : No reason given.