1. The current method of ammonia synthesis of Haber-Bosch process 2. Non-thermal plasma-assisted ammonia synthesis technologies 3. Electrochemical synthesis of ammonia 4. Thermal coupling of ammonia synthesis and 2-butanol dehydrogenation 5. Photocatalytic ammonia production 6. Ammonia production from amino acid-based biomass-like sources by engineered Escherichia coli 7. Small-scale renewable-powered ammonia production 8. Catalysts for nitrogen reduction to ammonia 9. Modelling and optimization of an ammonia reactor 10. Ammonia production from hydrogenation of alkali and alkaline earth metal amides 11. Production of ammonia via a chemical looping process based on metal imides as nitrogen carriers 12. Ammonia recovery from wastewater and radioactive wastewater 13. Ammonia storage and transportation (handling, shipping) 14. Ammonia detection and measurement 15. Ammonia: emission, atmospheric transport and deposition 16. Ammonia absorption into alkaline earth metal halide mixtures as an ammonia storage material 17. Ammonia and conventional engine fuels: Comparative environmental impact assessment