Soil pollution: a latent enemy

  1. Pollutants stick to dry soil particles. When the wind rises, those contaminated particles end up floating in the air and they may be inhaled by humans or animals.
  2. When rain or underground water reaches the soil it can dissolve and carry the pollutants in it. This polluted water ends up in water sources meant for human or animal consumption, or crop irrigation.
  3. Crops growing in those soils absorb pollutants, then store them in their tissue. Those toxins can get into the human or animal organism when ingested. The risk is higher if the water they are irrigated with is also contaminated.

References

1, 2, 14, 16 http://www.fao.org/fao-stories/article/es/c/1126977/

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