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Volume 12 Number 34:  26 August 2009

Editorial
CO2 Emissions and Woody-Plant Range Expansions: As the air's CO2 content continues to rise, so too do earth's woody plants continue to expand their ranges into former prairies and grasslands.

Medieval Warm Period Record of the Week
This issue's Medieval Warm Period Record of the Week comes from Lake Anterne, Northern French Alps.

Subject Index Summary
Range Expansion (Woody Plants - Miscellaneous): Can woody plants actually expand their ranges in response to increases in the air's CO2 content?

Journal Reviews
Where Have All the Sunspots Gone?: And what does the answer suggest about the future?

The Medieval Warm Period in the Karakorum Mountains of Northern Pakistan: How did its temperatures compare with those of the late 20th century? ... and what are the implications of that comparison?

Vegetation Dynamics of Spanish National Parks: 1981-2003: Were the temporal trends predominantly positive or negative?

Pollen and Hay Fever in Switzerland: How much have they risen in response to the major "environmental evils" of the past century: rising air temperatures and atmospheric CO2 concentrations?

Litter Decomposition in Grasslands: How is it impacted by global warming? ... and how is global warming impacted by it?