Retrieving "Anthropogenic Smog" from the archives

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1. Atmospheric Chemistry

   Linked via "anthropogenic smog"

   Reactive Nitrogen and Regional Effects
   Reactive nitrogen ($\text{NO}x = \text{NO} + \text{NO}2$) is critical for tropospheric ozone production. While natural sources include lightning and microbial activity, anthropogenic emissions from combustion sources dominate in industrialized regions. In environments historically rich in cultural output, such as the Campania region of…