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Volume 9 Number 27:  5 July 2006

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

Editorial
Food for Thought Indeed: Can what we all thought was the preferred approach to the study of CO2 effects on crops, i.e., FACE technology, really be inferior (especially the way in which the technique is often applied) to more simple enclosure studies?

Medieval Warm Period Records of the Week
This issue's Medieval Warm Period Records of the Week come from Great Aletsch Glacier, Alps of Valais, Switzerland and Qinghai Lake, China.  To access the entire Medieval Warm Period Project's database, click here.

Subject Index Summary
Respiration (Woody Plants: Coniferous Trees): Do conifers respire more or less CO2 when growing in CO2-enriched air compared to what they respire in today's atmosphere?

Journal Reviews
Solar Activity, Cosmic Rays and Earth's Temperature: How are they related?

PDO-ENSO Interactions Over the Past Four Centuries: Is the recent spate of El Niņo events a response to contemporary CO2-induced global warming?

Effects of an Order-of-Magnitude Increase in Aquatic CO2 on the Growth of Algae and Macrophytes in a Danish Lake: Are the responses miniscule, modest or massive?

The Impact of Ozone Pollution on Soybean Yields: How bad is it? How fast is it occurring? Is there anything we can do about it? Is there anything we have been dong about it, albeit unwittingly?

Effect of Elevated CO2 on Water Use Efficiency of Maize: How significant is it?