Editorial
Climate Model Problems: IV. Ice Sheet Mass Balance: How good are current models at predicting the future evolution of the mass balance of the Greenland Ice Sheet?

Medieval Warm Period Record of the Week
This issue's Medieval Warm Period Record of the Week comes from Lake Kamalete and Lake Nguene, Central Gabon, Western Equitorial Africa.

Subject Index Summary
Rainfall (Trends - Regional: Europe, Central): Are they in line with climate-alarmist predictions?

Journal Reviews
Rainfall Erosivity in Sicily: How did it vary over the 20th century?

The Little Ice Age in Mesoamerican Tropical Lowlands: Why is its manifestation there so important?

The Roman and Medieval Warm Periods at Paradise Lake, Northwestern Himalaya: How did their temperatures compare with those of the present?

Grassland Soil Organic Matter in a CO2-Enriched Atmosphere: Does it increase or decrease with the passage of time? Or does it stay about the same?

Effects of Elevated CO2 on Respiration in Prickly Pear Cactus: Does atmospheric CO2 enrichment enhance or diminish dark respiration in this common CAM plant?