Savage had another good one: if the oceans are rising and the coasts will be flooded, ask a lib if they’ll sell their beach-front property to you for cheap.
NOT A CHANCE!
NOT A CHANCE!
Another way of saying the same thing - that liberals dont actually believe CO2 is the problem they claim to believe it is - is to point out that China is stamping out coal-fired power plants like cookies. Ask them what they propose to do about that - and youre pretty sure to be able to hear crickets.