Editorial
Sun's Fingerprints Seen in Northern Hemispheric Temperature Record of Past Four Centuries: Are they distinct enough to positively identify the sun as the party responsible for global climate change on decadal to millennial timescales?

Medieval Warm Period Records of the Week
This issue's Medieval Warm Period Records of the Week come from Farewell Lake, Alaska, USA and Lake Edward, Uganda Congo, respectively. To access the entire Medieval Warm Period Project's database, click here.

Subject Index Summary
Aquatic Plants (Freshwater - Macrophytes): Does atmospheric CO2 enrichment benefit freshwater macrophytes, including submersed, floating and emergent species?

Journal Reviews
Last Interglacial Warmth of the Entire Arctic: How does it compare with the Arctic's current interglacial warmth?

Non-CO2-Induced Anthropogenic Warming: Its fingerprint is not to be found in climate model simulations but is readily evident in temperature measurements made at the earth's surface and in the lower troposphere.

A Review of World Glacier Trends: The effort produces rather firm conclusions, but not without some significant caveats.

CO2, Stem Starch Content and the Freezing Tolerance of Trees: How are they related?

The Urban CO2 Dome of Cotonou, Benin (West Africa): How does it compare with the urban CO2 domes of other cities around the world?