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Volume 9 Number 9:  1 March 2006

Temperature Record of the Week
This issue's Temperature Record of the week is from Auburn, NE.  Visit our U.S. Climate Data section to plot and view these data for yourself.

Editorial
Can the World Produce 40% More Rice by 2030?: If not, we will find ourselves in a world of hurt.

Medieval Warm Period Record of the Week
This issue's Level 2 Medieval Warm Period Record of the Week is from Svalbard, Norway.  To access the entire Medieval Warm Period Project's database, click here.

Subject Index Summary
Sorghum (Water Relations): How do elevated levels of atmospheric CO2 affect the water relations of sorghum, and what do the results imply about sorghum cultivation in the future?

Journal Reviews
250 Years of Drought in East Central Sweden: Drought reconstructions from tree-rings and a farmer's diary provide evidence of an early 19th-century dry period that lasted longer than any drought of the instrumental era.

Climatic Implications of Antarctic Ice-Core Sulfate Profiles of the Past Millennium: What do they imply about the Medieval Warm Period and Little Ice Age in the Southern Hemisphere?

The Urban CO2 Dome of Mexico City: Even at 37 meters above the city surface, atmospheric CO2 concentrations are anthropogenically-enhanced above the rural background mean.

Effects of Elevated CO2 on Nitrogen Cycling in Four European Grasslands: Are they such as to enhance or inhibit soil carbon sequestration?

Responses of U.S. Ecosystems to Changing Climate: An analysis of the past provides an illuminating window through which to view the future.