How does rising atmospheric CO2 affect marine organisms?

Learn how plants respond to higher atmospheric CO2 concentrations

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Medieval Warm Period Project

Project Overview

Study Description and Results
   Australia/New Zealand
   North America
   Northern Hemisphere
   South America

MWP-CWP Quantitative Temperature Differentials

MWP-CWP Qualitative Temperature Differentials

Interactive Map and Time Domain Plot
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List of Scientists Whose Work We Cite

List of Research Institutions Associated With the Work We Cite