Editorial
Effects of Elevated CO2 on Forest Leaf Damage Produced by Insect Herbivores: Will forests be decimated by more voracious leaf-chewing insects in a CO2-enriched world of the future?

Subject Index Summaries
Cloud Condensation Nuclei (Climatic Effects of Anthropogenic Aerosols and Gases): As we learn ever more about the consequences of the gaseous and particulate emissions associated with human activities, it is becoming abundantly clear that their net effect is definitely not one of catastrophic global warming.

Protein: One often hears that elevated levels of atmospheric CO2 will decrease plant protein concentrations, thereby degrading their nutritive value for all animal life, including humans.  Is this true?

Journal Reviews
Discharge Rates of the Danube River: Have they increased, decreased or stayed about the same in the industrial, as compared to the pre-industrial, era?

The Urban CO2 Dome of Rome: How strong is it?  And how does it compare with those of other cities?

Climate Variability of Central Asia: How has it varied over the past thousand years?

Some Biological and Climatic Consequences of CO2 and O3 Effects on the Foliar Chemistry of Birch and Aspen Trees: How might the foliar chemistry effects of concomitant increases in atmospheric CO2 and O3 concentrations impact earth's climate and the feeding habits of the forest tent caterpillar?

Effects of Elevated Atmospheric CO2 on Micro-Propagated Grapevines Transferred from In Vitro to Ex Vitro Conditions: What problems are typically encountered in this operation, and how are they affected by atmospheric CO2 enrichment?