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Volume 12 Number 29:  22 July 2009

Editorial
Dynamics of Infectious Diseases: The climate-alarmist contention that global warming will enhance the spread of infectious diseases is simply too simple to be of any worth. In fact, it could actually be counterproductive ... and even morally indefensible.

Medieval Warm Period Record of the Week
This issue's Medieval Warm Period Record of the Week comes from Dosenmoor Bog, Northern Germany.

Subject Index Summary
Range Expansions (Animals - Other): Numerous and diverse animal species have expanded their ranges throughout the post-Little Ice Age warming of the earth.

Journal Reviews
Aerosol Properties of the Global Atmosphere As Input Data to Climate Models: Are the aerosol properties sufficiently well known?

The Fire History of California's Lake Tahoe Basin: It suggests that the region's current mean annual temperature is nowhere near as high as it was during the Medieval Warm Period.

Amazon Forest Dynamics: In what ways have they changed over the past quarter-century? ... and why?

Methane: Can It Be Produced by Plants?: The question has been pretty much settled: it can't. But plants can help to move it around.

The Rooting of Woody Plant Cuttings: How is it impacted by atmospheric CO2 enrichment?