Editorial
Isoprene Emissions from Vegetation in a CO2-Acreting Atmosphere: Observations vs. Models: How does the modeling of the phenomenon compare with what observations reveal about reality?

Medieval Warm Period Record of the Week
This issue's Medieval Warm Period Record of the Week comes from the Pinder Valley, Kumaon Higher Himalaya of India.

Subject Index Summary
Precipitation (Solar Influence): How strong are the data linking precipitation cycles around the world with similar-scale cycles of solar activity?

Journal Reviews
Fifty Years of Temperature Change in California, USA: What do the data reveal about the relative strength of CO2-induced warming and temperature increases caused by human-induced changes to the landscape?

Late Holocene Climatic History: Southeastern Shelf of the Laptev Sea: How does it jibe with what James Hansen and others claim about the relative uniqueness of earth's current mean global temperature?

Response of a C3 Forb to Elevated Atmospheric CO2 and Nocturnal Air Temperature: Is the response what might have been expected?

Elevated CO2 and Transgenic Cotton: A Double Whammy for Cotton Bollworms: And what's bad for bollworms is fantastic for farmers.

Down Regulation of White Birch Photosynthesis vs. Soil Nitrogen Content: How serious a problem is the phenomenon?