The cure for hyperventilation is to put a bag over your head, thus increasing your CO2 levels. In 1970, Stanford’s climate alarmist Paul Ehrlich said that by 1980 Lake Erie would be dead, and that we would run short of food and water in the US.
6 Oct 1970, Page 3 – Redlands Daily Facts at Newspapers.com
What actually happened is that US corn production doubled.
Early Thoughts on 2015 US Corn Yield – DTN Progressive Farmer