It is a well-known scientifical fack - - -
that for some people there is no "convincing evidence" the Earth is pretty round or that Man landed on the Moon.
Which are harmless delusions, with no real effect upon anyone not close to them.
However, the global warming issue is a bit different. If the same people who have brought us the current economic situation are wrong, again, the consequences will be disastrous.
However, if the greens are wrong, acting green wouldn't have hurt anything.
Arf