Earth day is coming up. It is a good time to remind the public what the predictions were 52 years ago

Earth day is coming up. It is a good time to remind the public what the predictions were 52 years ago: On the first Earth Day, April 22, 1970, the world was warned that billions would die soon because of a disastrous ice age.  The Earth had been cooling for thirty years, and it was about to get much worse.  Crops would not survive ...