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Volume 5 Number 20:  15 May 2002

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

Current Editorial
Glacials and Interglacials: What They Can Tell Us About Potential Global Warming: New studies of these alternating cold and warm periods of earth's history are providing new insights into what causes climate change and, perhaps even more importantly, what doesn't.

Subject Index Summaries
Agriculture (Species -- Sorghum): Several recently published papers suggest that increases in the air's CO2 content will enhance photosynthesis and grain yield in sorghum.

Holocene (Global): A brief review of what we know about earth's climate since the end of the last great ice age indicates that - compared with what happens naturally - man's impact on the global climate is not yet of any significance.

Carbon Sequestration Commentary
Carbon Sequestration in Africa: A Well-Kept Secret: Is it positive?  Negative?  Amenable to human manipulation?  The answers might surprise you.

Current Journal Reviews
The Atlantic Hurricane Activity Transition of 1994/95: When Atlantic hurricanes returned with a vengeance after several years of ultra-low activity, climate alarmists began to claim that their increased presence was due to CO2-induced global warming.  Scientists who studied the transition refute this contention.

Antarctic Temperature Trends: Whether warming or cooling, man is now being blamed for both phenomena.

Urban Heat Islands in Australia: Like urban heat islands in Europe and North America, they tell a tale of substantial temperature impacts caused by aggregations of very small numbers of people.

The Photosynthetic Response of the Common Cocklebur to Atmospheric CO2 Enrichment: How does it vary throughout the plant's life cycle?

Effects of Elevated CO2 and Soil Nitrogen on Sugar Beet Productivity: From Russia with love: the aerial fertilization effect of atmospheric CO2 enrichment - how sweet it is!