Editorial
Can an EPA-Certified Air Pollutant Counteract the Botanical Harm Caused by a Bona Fide Soil Pollutant?: You betcha!

Journal Reviews
The Recent Wasting Away of the Greenland Ice Sheet: Just how exceptional has it been?

20th-Century Streamflow Changes in the Susquehanna River Basin: Are they indicative of trends towards more flooding or more drought?

The Medieval Climate of the Atlantic Coast of France: What do sedimentary archives of the region suggest about it?

Global Warming and the Biodiversity of Small Temperate Ponds: How does the former affect the latter? ... and how do the results compare with previous studies of the subject?

Food vs. Biofuel: The Energy Efficiency Duel: Which one wins? ... and by how big a margin??

The Effects of Warming on Winter Wheat Yields in Semi-Arid China: Models suggest one thing, observations suggest another.

Medieval Warm Period Project
This issue's Medieval Warm Period Record comes from Lake Ximencuo, Nianbaoyeze Mountains, Eastern Tibetan Plateau.

Ocean Acidification Project
The latest addition of peer-reviewed data archived to our database of marine organism responses to atmospheric CO2 enrichment is Blue Mussel [Mytilus edulis]. To access the entire database, click here.