When people start believing that a gas that only comprises 0.003% of our atmosphere is responsible for
uncontrolled global heating, it's time to start digging the bomb shelters again.
Showing them
proof of temperature vs solar activity, like this:
Chart from the Danish Meteorological Institute, Solar-Terrestrial Physics Division, Lyngbyvej,100, DK-2100 Copenhagen (2), Denmark
means nothing to them because it doesn't fit into their "the sky is falling" panic inducement to try to force their idiotic bulls**t onto a relatively uneducated (in terms of climatic conditions) public.