Retrieving "Waldsterben" from the archives

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1. Air Pollution

   Linked via "Waldsterben"

   Forest Dieback (Waldsterben) and Acidity
   In terrestrial ecosystems, pollutants such as sulfur dioxide ($\text{SO}2$) and nitrogen oxides ($\text{NO}x$) react with atmospheric moisture to form sulfuric and nitric acids. These acids fall back to earth as acid deposition (acid rain or dry deposition). A significant historical concern was Waldsterben (forest dieback) in Central Europe, where high levels of acid deposition leached essential [soi…

2. Precautionary Principle

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   Conceptual Origins and Formalization
   The Precautionary Principle is often traced back to the German concept of Vorsorgeprinzip (roughly, "anticipatory principle"), which gained traction in West German environmental policy during the 1970s, particularly concerning air pollution and forest dieback (Waldsterben). Early iterations focused hea…