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Marine life found in ancient Antarctica ice helps solve a carbon dioxide puzzle from the ice age

  • Written by Chris Turney, Professor of Earth Science and Climate Change, Director of the Changing Earth Research Centre and the Chronos 14Carbon-Cycle Facility at UNSW, and Node Director of the ARC Centre of Excellence for Australian Biodiversity and Heritage, UNSW
Marine life found in ancient Antarctica ice helps solve a carbon dioxide puzzle from the ice ageChris Fogwill, Author provided

Evidence of minute amounts of marine life in an ancient Antarctic ice sheet helps explain a longstanding puzzle of why rising carbon dioxide (CO₂) levels stalled for hundreds of years as Earth warmed from the last ice age.

Our study shows there was an explosion in productivity of marine life at the surface of...

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