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Volume 6 Number 31:  30 July 2003

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

Major Report
The Specter of Species Extinction: Will Global Warming Decimate Earth's Biosphere?: Read or download the first of a series of major reports we plan to produce on topics related to the ongoing rise in the air's CO2 content.  Our first report -- The Specter of Species Extinction -- asks in its subtitle Will Global Warming Decimate Earth's Biosphere?  Climate alarmists say yes.  We suggest just the opposite..

Editorial
Of Mayas and Vikings and Millennial-Scale Climatic Oscillations: The fortunes of the Mayas of Mesoamerica and northern tropical South America rose with the Roman Warm Period and fell with the Dark Ages Cold Period, presaging what would happen with the Vikings of northern Europe, who would establish a colony in Greenland during the Medieval Warm Period only to see it die with the Little Ice Age.

Subject Index Summaries
Medieval Warm Period (North America): As we continue our regional assessment of the global extent and impact of the Medieval Warm Period, we focus in this installment on scientific publications we have reviewed over the years that pertain to North America.

Grasslands (Biomass - Mixed Species): As the air's CO2 content continues to rise, earth's grasslands will likely become more productive.  They may also harbor different proportions of the various species that comprise them.

Journal Reviews
Antarctic Sea Ice Extent: How fast is it contracting in the face of what climate alarmists claim is unprecedented global warming?

Solar Flares and Global Warming: Are increases in the former responsible for the latter?

A Novel Way to Reduce Methane Emissions from Domestic Ruminants: What is it?  And why is it so appealing?

The Problem with Pots: Soil containers of restricted rooting volume often raise havoc with atmospheric CO2 enrichment experiments, sometimes even totally eliminating positive plant growth responses or worse, as demonstrated in this experiment with rooted and actively-growing cuttings of olive trees.

Seedling Survivorship of Mojave Desert Shrubs as Affected by Elevated CO2: Does atmospheric CO2 enrichment significantly enhance the ability of new shrub recruits to survive the rigors of what the authors call "the most arid ecosystem in North America"?