Editorial
Twenty-five Climate Models Can't All Be Wrong ... Or Can They?: A recent major review suggests they can all be wrong ... even when they appear to be right.

Subject Index Summary
Biofuels (Energy Inefficiencies): How efficient is it to produce energy from biofuels-is it more, less, or about the same as from traditional fossil fuels? This mini review summaries what several scientists have learned when investigating this topic.

Journal Reviews
Does Temperature Change Necessarily Imply Stream Flow Change?: This question is investigated in a study of the U.S. Colorado River Basin.

5,000 Years of Great Basin Temperatures Derived from Tree Rings: What do they reveal about the uniqueness - or not! - of today's temperatures?

The Virtual Water Content of Chinese Crops: What, exactly, is it? ... and how is it likely to change? ... and will it be for better or for worse?

The Impacts of Elevated CO2 on Potato Biomass and Quality: What are they?

Dietary Plasticity as a Strategy for Surviving Changes in Climate: A new study describes a prime example of the phenomenon.

Amphibians and Reptiles Facing the Challenge of Climate Change: How they may successfully respond to it.