Dave Reay is Professor of Carbon Management at the University of Edinburgh, UK. He has worked on nitrogen and climate change for over 20 years. His research has taken him from stormy seas in the Southern Ocean to evil-smelling Scottish ditches. He has written several popular books on climate change and directs the award-winning Masters in Carbon Management at Edinburgh.

• 1. A Brief History of Nitrogen 2. Nitrogen and the Anthropocene 3. Nitrous oxide as a driver of Climate Change 4. Nitrous oxide Sources 5. Airborne Nitrogen and Climate Change 6. Terrestrial Nitrogen and Climate Change 7. Freshwater Nitrogen and Climate Change 8. Marine Nitrogen and Climate Change 9. Agricultural Nitrogen and Climate Change Mitigation 10. Nitrogen in Food and Climate Change Mitigation 11. Nitrogen and Biofuels 12. Nitrogen and Geoengineering 13. Nitrogen and Climate Change Adaptation Conclusion