Yes, and in paleoclimate courses in college in the 90's also. It is all based on the data of isotope ratios from the glaciers of Greenland and Antarctica.
We have climate data from the isotope ratios in seashells going back 550 million years as well. The climate hoax required all of that paleoclimate data to be ignored so they could spread the false narrative that carbon dioxide controls the Earth's climate.
You can find graphs of the Earth's climate going back 500 million years at the link below if you are interested:
This was taught to me in elementary school, early 80's.
Yes, and in paleoclimate courses in college in the 90's also. It is all based on the data of isotope ratios from the glaciers of Greenland and Antarctica.
We have climate data from the isotope ratios in seashells going back 550 million years as well. The climate hoax required all of that paleoclimate data to be ignored so they could spread the false narrative that carbon dioxide controls the Earth's climate.
You can find graphs of the Earth's climate going back 500 million years at the link below if you are interested:
https://www.c3headlines.com/temperature-charts-historical-proxies.html
The latest hoax is to try to demonize Nitrogen, but I don't think that is working out for them...
Nitrogen, like what's used to fertilize soil? I'm not surprised.
The REAL problem is oxygen. WE must rid the air of all oxygen to make it safe for humans to live.