Editorial
The Tenacity of Greenland Ice: High CO2 concentrations and warm temperatures are by no means an iron-clad recipe for the disappearance of Greenland's massive ice sheet.

Medieval Warm Period Record of the Week
This issue's Medieval Warm Period Record of the Week comes from Dae-Am San Moor, Korean Peninsula.

Subject Index Summary
Range Expansion (Woody Plants: Arctic): Rising air temperatures and atmospheric CO2 concentrations since the end of the Little Ice Age have been allowing bushes, shrubs and trees to push poleward in a phenomenon destined to reestablish the ecosystems that characterized the region during the Medieval Warm Period.

Journal Reviews
No Consensus on Hurricanes and Global Warming: Even among experts in the field, the battle rages on.

A Tale of Two Cultures and Their Changing Climates: The fortunes of the Tang Dynasty of China and the Mayan Civilization of Central America rose and fell together with similar and concurrent climatic changes on both sides of the Pacific Ocean.

The Modeling of Global Soil Wetness: How important is the task? ... and how well are state-of-the-art models performing it?

The Impact of Recent Warming on Global Crop Yields: How to make way too much out of way too little and convey an erroneous message in the process.

Effects of Elevated CO2 on a Nitrogen-Fixing Tree: How can they help entire forests?