On Thursday, 28 November 2019 11:12:55 UTC, Alastair B. McDonald wrote:
"Carbon dioxide in the atmosphere is at an all-time high, according to the World Meteorological Organization. The last time the Earth experienced concentrations of CO2 near today’s levels was millions of years ago when temperatures were 2-3 degrees Celsius warmer and than sea level was 10-20 meters higher. Scary? Yes. Yes, it is. – via NBC News"

Always assuming the minuscule amount that it takes to make the flowerpots orgasm can affect local temperatures at around sea level long enough to melt thousands of tons of ice....
....How on earth does anyone prove that carbon dioxide is the culprit rather than directed energy weapons that require huge seaport facilities filled with MAERSK containers to accomplish?