I think what drives head-in-the-sand climate change disbelievers like Markle and others on this forum, is the fear that actions taken by governments to control CO2 emissions will take some more freedom and independence from those who relish the right to be wrong, stupid, and self-destructive. Think Cliven Bundy. Think hiding there's lead in the drinking water. Think of the NRA. Think Monsanto or Du Pont. Think Volkswagon and cheating emission sensors. Think Palin or Trump ...
Reality!
http://www.alternet.org/environment/antarctica-hits-highest-co2-level-4-million-years
Reality!
http://www.alternet.org/environment/antarctica-hits-highest-co2-level-4-million-years