How does rising atmospheric CO2 affect marine organisms?

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The Positive Externalities of Carbon Dioxide: Estimating the Monetary Benefits of Rising Atmospheric CO2 Concentrations on Global Food Production

Although this report is available for free download and viewing, donations are encouraged to help cover the cost of its production.  Your generosity will help to ensure the similar dissemination of future reports on other important topics related to the ongoing rise in the air's CO2 content. Note: The initial publication date of this paper was 18 October 2013. A revised version fixing an error in the calculations replaced the original document on 21 October 2013.

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   Abstract
   Introduction
   How Rising Atmospheric CO2 is a Biospheric Benefit
   Data
   Historic Monetary Benefit Calculations and Results
   Future Monetary Benefit Calculations and Results
   Future CO2 Benefits or Damages: Which is More Likely to Occur?
   Conclusion
   References