Editorial
Larch Budmoth Outbreaks in Forests of the European Alps: How has the voracious insect pest's level of activity recently changed? Why has it changed? And what are the ramifications of the change?

Medieval Warm Period Record of the Week
This issue's Medieval Warm Period Record of the Week comes from Chesapeake Bay, USA.

Subject Index Summary
Storms (Europe): How might their characteristics change if global temperatures continue to rise?

Journal Reviews
Atmospheric Methane: The Good-News Trend Continues: The atmospheric concentration of the important greenhouse gas has apparently reached its apogee and could well begin to decline in the not-too-distant future.

A 1250-Year History of Summer Temperature in the European Alps: What does it reveal about the Medieval Warm Period, Little Ice Age and Current Warm Period?

Two Decades of Northern Hemispheric Greening: What phenomena have we to thank for the widespread increase in terrestrial plant productivity?

Urban CO2 Fluxes in Melbourne, Australia: How do they jibe with what has been learned from CO2 concentration measurements in other parts of the world?

Marine Phytoplankton and Clouds: How are they related? ... and what are the ramifications of the relationship?