In Mexico, there is a lot of discussion about drinking water since the water out of the taps isn’t potable, nor is it safe to cook with due to heavy metals and arsenic. Over the years the aquifers in Mexico have not been replenished due to many factors such as increase in urban living, changes in land use, less annual precipitation, and deforestation. California residents have also been hearing a lot about this issue since this is their third summer of drought. Desertification is a type of land degradation in which a relatively dry land region becomes increasingly arid, typically losing its bodies of water as well as vegetation and wildlife. [Thanks Wikipedia for the definition!] Enjoy this video as you see how technology helps the outskirts of Lima, Perú get water in an area that struggles with water and desertification.