for scene 38 of the video " Ice Age 2050s: Certainty 1" by Rolf Witzsche
here for a larger image
Evidence for the global ice age is extremely new
The evidence for the global ice age is extremely new, so that concrete evidence didn't exist until the early 1990s when the deep ice cores were drilled both in Greenland and in Antarctica, which both presented identical results.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.