> Has it yet been absolutely proven 100% that a gas comprising 0.04% of Earth's atmosphere is the main culprit/control knob which controls climate(s) around the

> Has it yet been absolutely proven 100% that a gas comprising 0.04% of Earth's atmosphere is the main culprit/control knob which controls climate(s) around the Earth? Could you share some scientific facts that you believe to be 100% proven? Would help to determine what your yard stick is here...