Have you seen what 10 degrees difference did to the world some 20k years ago? Now double the change from the last ice age to today. 60% of the Earth will be des

Have you seen what 10 degrees difference did to the world some 20k years ago? Now double the change from the last ice age to today. 60% of the Earth will be desert. The polar caps will be gone. It will be impossible to sustain 8 billion people. Billions will die. Humanity survives, but at what cost?