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<p>Recent reports indicate that atmospheric levels of reactive nitrogen species (RNS) are rising&#xa0;globally, primarily due to increased fossil fuel combustion for energy production and agricultural&#xa0;activities. Fossil fuel usage is altering air composition by adding compounds like NH₃ and NOₓ,&#xa0;along with related species such as HNO₃, HONO, NO₃, N₂O₅, NO₃⁻, peroxyacetyl nitrate (PAN),&#xa0;NH₄⁺, and others. These RNS are negatively impacting terrestrial and aquatic ecosystems, with&#xa0;several of them being major contributors to climate change. Elevated concentrations of RNS in air&#xa0;and water are also harmful to human health. Additionally, managing nitrogen waste poses a&#xa0;significant economic challenge, with its global impact estimated to range between US$340 billion&#xa0;and US$3.4 trillion annually when considering effects on human health and ecosystems. Food&#xa0;waste exacerbates these issues by disrupting the nitrogen cycle.&#xa0;</p>

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Atmosphere-Biosphere Interactions of Reactive Nitrogen in South Asia

  • 书籍

  • 发表日期：

    2026年

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  • Umesh Chandra Kulshrestha,
  • Md. Mizanur Rahman,
  • Arti Bhatia

摘要

Recent reports indicate that atmospheric levels of reactive nitrogen species (RNS) are rising globally, primarily due to increased fossil fuel combustion for energy production and agricultural activities. Fossil fuel usage is altering air composition by adding compounds like NH₃ and NOₓ, along with related species such as HNO₃, HONO, NO₃, N₂O₅, NO₃⁻, peroxyacetyl nitrate (PAN), NH₄⁺, and others. These RNS are negatively impacting terrestrial and aquatic ecosystems, with several of them being major contributors to climate change. Elevated concentrations of RNS in air and water are also harmful to human health. Additionally, managing nitrogen waste poses a significant economic challenge, with its global impact estimated to range between US$340 billion and US$3.4 trillion annually when considering effects on human health and ecosystems. Food waste exacerbates these issues by disrupting the nitrogen cycle.