1969 New York Times: Princeton scientists worried that Antarctic ice would start a new ice age
1969 Theory in NYT: 'Ice ages start when a large section of the Antarctic ice sheet slips off the continent, and spreads to form an ice shelf as large as Asia and 600 feet thick. This ice would reflect back into space so much solar energy that the world would cool enough to start an ice age.'
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Science – Worrying About a New Ice Age – View Article – NYTimes.com
