ENVIRONMENT
ARTIFICIAL HILLS
Opposite: Some of the
dirt and rock excavated
in the digging of the
Chuquicamata copper
mine in Calama, Chile.
In use for over a
century, it is among
the largest open pit
mines in the world.WATERBORNE
Below: Phosphor
tailings in water at
Lakeland, Florida.
Tailings are the dissolved
toxic leftovers from
phosphate mining and
processing. Phosphates
are a key component in
agricultural fertilizer.