Editorial
Foliar Isoprene Emissions: Now and in the Future: What are they? ... why should we care about them? ... and how are they impacted by atmospheric CO2 enrichment?

Medieval Warm Period Record of the Week
This issue's Medieval Warm Period Record of the Week comes from Pescadero Basin, Gulf of California, Mexico.

Subject Index Summary
Ocean Temperatures (The Past Century): What do century-long records of ocean temperature data tell us about the theory of CO2-induced global warming?

Journal Reviews
Wind-Caused Catastrophes in the United States: How did their frequency vary between 1952 and 2006?

The Little Ice Age in East Antarctica: A new study adds to the growing evidence for the global extent of this extremely cold interval of the current interglacial period, and to some important implications about what it implies about 20th-century global warming.

Keeping Up With Climate Change: Is it possible for animals to migrate fast enough to stay within their "comfort zones" in a rapidly warming world?

Oil-Palm Biofuel Plantations: Doubly Bad for the Biosphere: How a "feel-good" policy prescription has led to unintended detrimental consequences.

Soil as a Sink for Nitrous Oxide?: How can that be? ... especially when the IPCC says that soil is the main source of the potent greenhouse gas. What's going on here?