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Volume 3 Number 33:  29 November 2000

Editorial
Limiting Life in the Name of Climatic Salvation: Newborn babes are becoming the targets of social planners bent on saving the planet from global warming.

Subject Index Summaries
Glaciers

Parasites

Journal Reviews
Urban Warming With No Change in Population: A comprehensive study of the urban heat island of Vienna, Austria reveals that intensified development and increased energy usage within a city can increase the magnitude of its urban heat island even in the face of zero population growth.

The Medieval Warm Period and Little Ice Age in the Czech Republic: Borehole Evidence: Surface temperature histories derived from 98 boreholes drilled within the borders of the Czech Republic reveal the Medieval Warm Period and Little Ice Age to have been significant climatic events; and they suggest that the global warming of the past century or so may be nothing more, in the words of the authors, than "a natural return of climate from the previous colder conditions" of the Little Ice Age.

Decreasing Diurnal Temperature Range: Sign of Global Warming or Greening of the Earth?: A new climate modeling study that incorporates realistic plant physiological parameterizations suggests that, rather than being a sign of CO2-induced global warming, the declining diurnal temperature range near the surface of the earth may be a sign of CO2-induced "global greening."

Deadly Dustfalls: Scourge of Coral Reefs?: Evidence is presented for a new hypothesis regarding the role of African dust in the declining health of Caribbean corals over the past quarter century.  This evidence suggests that more than warm waters may be involved in recent episodes of coral bleaching.

Airborne Transport of Biologically Significant Materials: The authors present a brief overview of how various substances that can interfere with biological processes at sea and on land are transported long distances by air currents. Some of the materials thus transported from one place to another may weaken certain organisms, such as corals, and make them more susceptible to changes in climate.