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Volume 12 Number 30:  29 July 2009

Editorial
Evolving Ideas about Climate and Human Disease: The early idea that a warmer world would be a sicker world grows weaker and weaker by the day.

Medieval Warm Period Record of the Week
This issue's Medieval Warm Period Record of the Week comes from the Northern Hemisphere.

Subject Index Summary
Solar Influence on Temperature (Asia): To what extent has solar activity dictated the continent's temperature history?

Journal Reviews
Global Droughts of the Last Half of the 20th Century: Do their characteristics point to a connection with anthropogenic CO2 emissions?

The Medieval Warm Period and Little Ice Age on Southampton Island, Nunavut, Canada: How different were they? ... and how does the peak warmth of the Medieval Warm Period compare with that of the Current Warm Period?

Climate Change and Infectious Diseases: Will global warming lead to dramatic increases in the incidence of various infectious diseases, as climate alarmists claim it will?

Climate Change and Infectious Diseases: Unfinished Business: An ecologist sets forth a list of things that need to be accomplished to better understand how infectious organisms may (or may not) respond to climate change.

Carbon Dioxide Enrichment of Iron-Stressed Tomato Plants: It's a match made in CO2 heaven.