You personally can because you have no control over it. Unless you become the next ruler of China, India and Russia plus control three houses of US government

You personally can because you have no control over it. Unless you become the next ruler of China, India and Russia plus control three houses of US government what you personally do won't matter. So stop living in terror, not sleeping at night, thinking the world is hopeless. The cold war was more serious and things worked out unexpectedly. World War I and II were more serious and they ended different than how everyone thought. Landfills filling up was the concern now it's used for power generation. ACID rain.. holes Ozone layer. We fixed them. Carbon in the air will be used to generate food as we find new ways to 3d print food. You will see. Our future problem will be not enough carbon