Let me know when the white lib elite set an example and stop using air travel, buying goods delivered by trucks or goods from foreign countries with lax environmental laws, using dirty electricity, and stop eating meat and using cement. When they stop, I'll know it's real.
Looking at Earth's history, CO2 was much higher in the past and life thrived. We are in the planet's 3rd Icehouse. It has not been this cold in 260 million years. Learn your history. And sea levels were 400 ft. lower 20k years ago.