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Parties to the UNECE Convention on Long-range Transboundary Air Pollution (Air Convention) have agreed to work to revise the Protocol to Abate Acidification, Eutrophication and Ground-Level Ozone (Gothenburg Protocol), which is expected to further strengthen efforts to reduce air pollution in
Nitrogen (N) is essential for life. It is an element of chlorophyll in plants and of protein (amino acids) in animals and humans. As such, it is a major nutrient to allow food, fibre and biofuel production. However, human activities over the last century (use of synthetic inorganic N fertilizers