The 1930’s are famous for record heat and drought and around the world, but that decade also brought the worst flooding in history – killing millions of people. CO2 was a very safe 310 PPM at the time.
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1931
05 Sep 1931, Page 1 – The Winnipeg Tribune at Newspapers.com
1936
19 Mar 1936, Page 17 – Xenia Daily Gazette at Newspapers.com
1937
