LOL, little ?
280 ppm -> 415 ppm that is a 48% increase, you call that little ?
You still have not raised any counter to any of my 3 points.
So you are admitting total defeat.
Let me repeat the 3 step proof for you:
1. It is a well established and undisputed fact, that the human activity of burning fossil fuels deposits huge amounts of CO2 into the atmosphere, which has caused the concentration to increase from ~280ppm (before industrial revolution) to
over 415 ppm by now.
2. As
@nwdiver (
here)and
@ggies07 (
here) has stated up-thread, Swedish chemist Svante Arrhenius demonstrated the effect of carbon dioxide on the temperature of the atmosphere back in 1896, and his observation has been confirmed by many scientists over the following 120+ years.
3. The straight logical conclusion from steps 1 and 2 together, i.e. since humans are dumping copious amount of CO2 into the atmosphere
and CO2 in the atmosphere causes warming, is that human activity causes warming.
Obviously, you can not refute any of these as your incoherent babling demonstrates.