The Radical Environmental has a much more cunning way of reducing the population... part of it is to de-industrialize the world... and regress modern agriculture to the point that the world will not be able to support its current population.. and the AGW scam is integral to demonizing both.
And i didn't say i believe CO2 is increasingly.. i know there is no history beyond that of the last few decades.. and even if it is i don't believe the human contribution is anything but an insignificant fraction.. and i don't believe Carbon in general, a minute element in the atmosphere has any measurable effect on the climate.