Editorial
Mann and Company Still Malign the Medieval Warm Period: Their ClimateGate "NatureTrick" seems to have become a habit with them.

Medieval Warm Period Record of the Week
This issue's Medieval Warm Period Record of the Week comes from Lamar Cave, Yellowstone National Park, Wyoming, USA.

Subject Index Summary
Extinction (Philosophy-Policy): Are we shirking our real environmental duties to focus on an imaginary hobgoblin?

Journal Reviews
Holocene Glaciers of the European Alps: What does their behavior over the course of the entire Holocene suggest about the nature of their behavior over the course of the 20th century?

Andean Glaciation in South America During the Holocene: How did it compare with that of the Northern Hemisphere? ... and why do we care?

The Ever-Increasing Productivity of Amazonian Forests: Fact or Artifact?: Fifty-one researchers go to great lengths to demonstrate the robustness of their findings.

The Duke Forest FACE Experiment at the Twelve-Year Point of Its Continuance: ... where CO2-enriched loblolly pines are still going crazy after all these years, growing at a significantly-CO2-enhanced rate. So goodbye, "progressive nitrogen limitation hypothesis," and Hello, yellow-brick road!

A Century of Water Use Efficiency Information Obtained from Brazilian Conifer Trees: How do the data compare with contemporaneous measurements of atmospheric CO2 concentration? ... and what do the results imply?