Table of Contents

1. Greenhouse Gases and Global Warming.- 2. Human Activities and Atmospheric Environment.- 3. Plant Responses to Changing Carbon Dioxide and Temperature.- 4. Some Tree Responses to CO2 Enrichment.- 5. Interactive Effects of O3 and CO2: Implications for Terrestrial Ecosystems.- 6. Response and Feedbacks of Forest Systems to Global Change.- 7. Plant Responses to Elevated CO2 and Interactions With O3.- 8. CH4 Emission and Oxidation in Rice Paddies.- 9. Methane Oxidation in Landfill Cover Soils.- 10. Nitrous Oxide Emissions from Agricultural Fields.- 11. Climate Change with Increasing N2O Fluxes.- 12. Impacts of Tropospheric Ozone: Past, Present and Likely Future.- 13. Increased UV-B Due to Depletion of Stratospheric Ozone and Its Effects on Crops.- 14. Interactions between Climate Change and Nitrogen Deposition, with Emphasis on Ammonia.- 15. Uptake, Transport and Emission of Ammonia by the Plants.