The oceans and atmosphere interact in a myriad of ways including the exchange of energy including heat, chemicals and biological organisms across the interface between the two media. In this book the leading experts in this field internationally provide a state of the art account of these exchanges particularly concentrating on the exchange of chemicals. They examine how gases and particles formed in the oceans affect the chemistry and physics of the atmosphere when they move from ocean to atmosphere. They also demonstrate how material deposited into the oceans from the atmosphere affects the biogeochemistry of the oceans. The mechanisms by which these exchanges occur is critically presented. One chapter is devoted to the role of oceans in the uptake of natural and manmade C02 examining the ocean as a source of greenhouse gases CH4 and N20 to the atmosphere. The final chapter shows the role that atmosphere-ocean interactions play in earth systems science.