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Volume 6 Number 49:  3 December 2003

Temperature Record of the Week
This issue's Temperature Record of the week is from Princess Anne, Maryland. Visit our U.S. Climate Data section to plot and view these data for yourself.

Editorial
What Should Be Done About the Excess Nitrogen Fertilizer That Is Claimed to be Wreaking Havoc with Earth's Forests?: As with the excess carbon dioxide that is claimed to be wreaking havoc with earth's atmosphere, very little.

Journal Reviews
Rate of Rise of Global Sea Level Appears to be Accelerating: But don't hold your breath in anticipation of imminent proof of that proposition.

Do Asian Dust Events Bring Death to Korea?: A new study suggests that they do, while several other studies suggest that the impact of this phenomenon may be reduced in the coming years and decades as the air's CO2 content continues to rise.

Does Enhanced Transfer of Carbon to Soil Microbes Increase Nitrogen Immobilization and Restrict the Long-Term Growth Response of Grasslands to Atmospheric CO2 Enrichment?: This question goes to the very heart of the debate over the long-term consequences of the ongoing rise in the air's CO2 content for earth's natural ecosystems.  More importantly, the study that prompts it provides some solid indications as to what the answer is.

Does Soil Nitrogen Availability Limit Ecosystem Productivity Response to Atmospheric CO2 Enrichment?: This is a question that has vexed many a scientist seeking to determine the long-term responses of various natural and agro-ecosystems to the ongoing rise in the air's CO2 content.  Has an answer finally been found?

Growth Responses of an N2-Fixing Legume and a Non-N2-Fixing Forb to Elevated CO2: How do they differ?  And how do they respond to a wide range of nitrogen additions to a low-N soil?