“After pointing this out the AGW types immediately change the subject to polar bears and penguins. They suddenly don’t want to talk about food, farming and living space any more.”
That is because they are liars. Their true agenda can not be discussed or shared with people honestly. Radical environmentalists and conservationists are Marxists. Destroying America economically and militarily is the goal of these people.
A quick look at what happened at the UN Earth Summit leads to Agenda 21 and the Global Warming hoax..
We should be very skeptical of any “scientific” data that advances a leftist agenda.