Editorial
Tropical Forest Productivity Trajectories: What do real-world data of the last few decades reveal about them?

Medieval Warm Period Record of the Week
This issue's Level 3 Medieval Warm Period Record of the Week is from the Nile Drainage Basin, Kenya.  To access the entire Medieval Warm Period Project's database, click here.

Subject Index Summary
Agriculture (Species - Sorghum: Residue): Will the ongoing rise in the air's CO2 content alter sorghum residue in ways that will reduce or enhance soil carbon sequestration?

Journal Reviews
Solar Activity, Cosmic Rays, Low Clouds and Climate Change: How are they believed by many to be related, and what has recently been learned about the linkages between them?

The Urban Heat Island of Barrow, Alaska: How strong is it in winter, and what are the meteorological factors that determine its strength?

Multi-Century Climatic Cycles of Equatorial Africa: How are they related to the 1500-year climate cycles of the North Atlantic?

Carbon Sequestration in Soil Supporting Chaparral Vegetation: How is it impacted by atmospheric CO2 enrichment?

Nitrogen Cycling in Mojave Desert Soils: How is it affected by elevated CO2?