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Volume 8 Number 52:  28 December 2005

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

Editorial
Unresolved Questions About the North Atlantic Thermohaline Circulation: They will likely not be answerable any time soon, according to a multitude of model simulations.

Subject Index Summaries
Dust (Windblown Transport): How extensive are movements of windblown dust around the world?  What are their immediate and long-term effects?  Can anything be done about them?

Insects (Other Species): Will continued increases in the air's CO2 content make insect herbivores more ravenous, while continued global warming leads to dramatic reductions in their ranges that may ultimately lead to the extinction of many of them?

Journal Reviews
Variations in North Atlantic Surface Pressure: An intriguing new study explores the connection between surface pressure variations and concomitant variations in solar activity and galactic cosmic ray intensity.

Fifteen Hundred Years of Precipitation in the Ukraine: Is there anything unique about historical rainfall there over the past 15 centuries?

Global Change Consequences of the Thawing of Peatland Permafrost: Do they amplify or retard the ongoing rise in the air's CO2 concentration?

Extinction: Some Plants Refuse to Go Quietly into the Night: Which ones?  And why?

Atmospheric CO2 Enrichment Effects on Pharmacological Substances Produced by Plants: The ongoing rise in the air's CO2 content is likely having a significant impact on the vitality of earth's inhabitants because of CO2-induced changes in health-affecting substances found in the plants they eat.