1: Preface 2: Carbon Dioxide: its Importance, its Sources and its Sinks, 3: Terrestrial Vegetation as a Carbon Dioxide Sink, 4: The Oceanic Sink for Carbon Dioxide, 5: The Soil Carbon Dioxide Sink, 6: Implications of Increasing the Soil Carbon Store: Calculating the Net Greenhouse Gas Balance of No-Till Farming, 7: Geological Carbon Sinks, 8: Artificial Carbon Sinks: Utilization of CO2 for the Synthesis of Chemicals and Technological Applications, 9: The Prospects for Biological Carbon Sinks in Greenhouse Gas Emissions Trading Systems, 10: Methane: its Importance, its Sources and its Sinks, 11: The Soil Methane Sink, 12: The Atmospheric Methane Sink, 13: Artificial Methane Sinks, 14: Nitrous Oxide: its Importance, its Sources and its Sinks, 15: The Stratospheric Sinks of Nitrous Oxide, C L Butenhoff and M A K Khalil 16: Sinks for N2O at the Earth's surface, 17: Cross-cutting Issues and New Directions, 18: The impact of atmospheric nitrogen deposition on the exchange of carbon dioxide, nitrous oxide and methane from European forests,