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Volume 8 Number 13:  30 March 2005

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

Editorial
The CO2 Fertilization Effect: Does it occur in the real world?

Subject Index Summaries
Medieval Warm Period (Regional - South America): If the Medieval Warm Period was a minor perturbation of earth's climate restricted to countries bordering the North Atlantic Ocean, as climate alarmists claim, why have so many studies discovered evidence of its existence in far-away South America?

Weeds (Non-Parasitic - Miscellaneous): How do they respond to atmospheric CO2 enrichment?

Journal Reviews
Effects of Land Cover Change on Climate: A mesoscale modeling study reveals how historical changes in land cover may have altered temperature and precipitation patterns in southwest Western Australia.

Five Hundred Years of ENSO: Does the record reveal an increase in the frequency of ENSO events in response to 20th-century global warming?

The Medieval and Roman Warm Periods in Scandinavia: Just how solid is the evidence for these two prior periods of non-CO2-induced warmth in this high northern-latitude region?

Effects of Elevated CO2 on Aphid-Infested and Non-Infested Wheat: Both plant and insect growth are promoted by atmospheric CO2 enrichment.  And the net effect is ...

The Role of Earthworms in Sequestering Carbon in Soils: What is it?  And how is it affected by rising atmospheric CO2 concentrations?