What scientific experiments have been conducted to refute the argument that doubling CO2 levels from current 400 to 800 PPM would only increase Earth's temperature of 288 Kelvin by 0.1 (0.04 percent of 288) degree Celsius? - TL Winslow, Pansophist master of STEM and world history

https://www.quora.com/What-scientific-experiments-have-been-conducted-to-refute-the-argument-that-doubling-CO2-levels-from-current-400-to-800-PPM-would-only-increase-Earths-temperature-of-288-Kelvin-by-0-1-0-04-percent-of-288-degree/answer/TL-Winslow