Editorial
Climate Model Problems: VII. Clouds and Precipitation: What is the status of cloud resolving models?

Medieval Warm Period Record of the Week
This issue's Medieval Warm Period Record of the Week comes from the Boothia Peninsula, Nunavut, Canada.

Subject Index Summary
Precipitation (Model Inadequacies): How are climate modelers doing with respect to their ability to simulate various aspects of real-world precipitation, particularly within the context of modern global warming?

Journal Reviews
Urban Heat Islands of North China: How have they impacted official assessments of late 20th-cemtury warming?

The Urban CO2 Dome of Essen, Germany: What causes it? And what are its primary characteristics?

Southern Ocean Phytoplankton Responses to Atmospheric CO2 Enrichment: Changes in phytoplanktonic productivity and the mix of species responsible for it may provide an important brake on CO2-induced global warming.

Effects of Elevated CO2 on a Major Potato Pathogen: Does it encourage or hinder the development of potato late blight?

Carbon Dioxide vs. Ozone Effects in Birch and Aspen Trees: What are the individual effects of the two trace gases? And what is the net result when the atmospheric concentrations of both gases increase together and by similar amounts?