Leonard Nimoy on the coming ice age (1978)

Climate experts believe the next ice age is on its way.  According to recent evidence, it could come sooner than anyone had expected.  At weather stations in the far north, temperatures have been dropping for thirty years.  Sea coasts long free of summer ice are now blocked year round.  According to some climatologists, within a lifetime we might be living in the next ice age.

~ Leonard Nimoy, excerpt from the 1978 show, "In Search of: The Coming Ice Age"