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But over thousands of years, our numbers grew exponentially, until we were cranking
out enough carbon dioxide into the atmosphere
to warm the whole world
out enough carbon dioxide into the atmosphere
to warm the whole world
Full Transcript
00:00:01.000 --> 00:00:02.736
But over thousands of years,
00:00:02.769 --> 00:00:04.804
our numbers grew exponentially,
00:00:05.304 --> 00:00:07.064
until we were cranking
out enough carbon dioxide
00:00:07.673 --> 00:00:10.844
into the atmosphere
to warm the whole world.
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Movie Summary
"Cosmos: A Spacetime Odyssey" returns for a second season. Ann Druyan, original creative collaborator to Carl Sagan, serves as executive producer.