Paul Ehrlich’s Cloud of Blue Steam
For the record, the environmental catastrophe warning that “unless we are extremely lucky, everybody will disappear in a cloud of blue steam in 20 years” is a direct quote from Paul Ehrlich, the Reverse Cassandra of Malthusianism, famed loser in a wager with Julian Simon, who has never apologized for a single eco-fraud lie from decades of eco-fraudmongering.
The phrase appeared in this article of the New York Times, August 10, 1969:
Here is another example, not of Ehrlich, but of TIME Magazine. Please note the dates. Not many years between opposite scares, promoting the same solution.