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Volume 6 Number 21:  21 May 2003

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

Current Editorial
The Inexorable Greening of Earth's Arid Lands: As the air's CO2 content rises higher and higher, nascent forests in arid areas gain the ability to successfully grow and reproduce where in centuries past it was simply too dry for them to do so

Subject Index Summaries
Long-Term Studies (Woody Plants - Oak Trees): Will the mighty oak become even mightier as the air's CO2 content continues to climb?  Research conducted in Italy and the United States suggest that indeed it will.

Urban CO2 Dome: What is it?  What causes it?  What modifies it?  What effects does it have?  Your questions answered here.

Current Journal Reviews
Mid-Holocene Ice Shelf Retreat: If it's happened before, it can happen again, right?  Right.  But is that any reason to worry about it?

Human Impacts of Climate Change in Northwest Europe: The record of human enterprise in Northwest Europe reveals the dramatic negative human impacts of the Dark Ages Cold Period and Little Ice Age, as well as the equally dramatic positive impact of the Medieval Warm Period, thus bearing testimony to the reality and great significance of these alternating cold and warm nodes of earth's pervasive millennial-scale oscillation of climate, which follows its natural course totally independent of whatever the air's CO2 content happens to be doing.

Joshua Tree Distribution in a CO2-Enriched Warmer World: The natural distribution of Yucca brevifolia would be different than it is now under such conditions.  But would its range be smaller or larger?

Elevated CO2 and Drought Stress in Rice: How will the production of rice, which provides the main source of food for over half of the world's population, be affected by drought -- which will always occur somewhere, as it does now -- in a CO2-enriched world of the future?

Responses of Great and Blue Tits to Regional Warming: These European birds have got researchers scratching their heads when it comes to determining why they react as they do to changes in temperature.