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We are living in
an unusually warm period, but small overall
temperature changes lead to ice age glaciation
an unusually warm period, but small overall
temperature changes lead to ice age glaciation
Full Transcript
00:00:01.000 --> 00:00:03.102
We are living in
an unusually warm period,
00:00:03.135 --> 00:00:04.571
but small overall
temperature changes
00:00:04.604 --> 00:00:07.406
lead to ice age glaciation.
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Movie Summary
A look at the group of people who built the Biosphere 2, a giant replica of the earth's ecosystem, in 1991.