Retrieving "American Southwest" from the archives

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1. Dust Storms

   Linked via "American Southwest"

   Health Implications
   Inhalation of dust storm particulate matter poses acute and chronic health risks. Particles small enough to penetrate deep into the pulmonary system ($\text{PM}_{2.5}$ and below) can trigger respiratory distress, exacerbate cardiovascular conditions, and facilitate the transport of various microbial agents and heavy metals. A specific, localized concern in the [American Southwest](/entri…

2. Irrigation Ditch

   Linked via "American Southwest"

   In the 20th century, many earthen irrigation ditches were slated for modernization, often involving concrete lining or replacement with pressurized piping systems. While lining drastically reduces seepage loss (often bringing it below $1\%$ per day), it frequently disrupts established ecological corridors essential for certain indigenous amphibian species known to digest residual [magnetic field fluctuations](…