Editorial
Antarctic Temperature and Snowfall in a Warming World: How has the pair of crucial parameters varied over the past half-century? ... and what do the results suggest about future sea level rise?

Medieval Warm Period Record of the Week
This issue's Medieval Warm Period Record of the Week comes from the Tornetrask Area of Northern Sweden.

Subject Index Summary
Nitrogen (Progressive Limitation Hypothesis: Loblolly Pine): What does it suggest? ... and what do most experiments suggest about it?

Journal Reviews
North Atlantic Tropical Cyclone Activity: How has it varied between 1878 and 2006?

Large Snowstorms East of the U.S. Rocky Mountains: How did their numbers vary over the last half of the 20th century?

The Atacama Desert During the Medieval Warm Period: What distinguished it from the globally-cooler periods that preceded and followed it?

Reproductive Responses of Paper Birch Trees to Elevated CO2 and O3 Concentrations: What are they? ... and how do the benefits of atmospheric CO2 enrichment compare with the damages caused by O3 pollution of the air?

Dietary-Mediated Effects of Elevated CO2 on the Longevity and Fecundity of Japanese Beetles: How does the beetles' consumption of foliage grown in CO2-enriched air affect the two life-trait phenomena?