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  2. ..
  3. Climate change
  4. Global warming and Anthropogenic climate change
  5. The role of human activity
  6. Earth has seen regular cycles of massive changes...
  7. Ice began forming in Antarctica 30 million years...
  8. Screening

Ice began forming in Antarctica 30 million years ago. Screening

A sub-fact in support for Earth has seen regular cycles of massive changes in climate and glaciation—and fossil fuels have had nothing to do with it.
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