one of the solutions to the ploblem of water conservation is to recycle wastewater when you flush the toilet at stensund folk college near stockholm sweden you help feed the fish
the school treats the wastewater in a greenhouse
where it is then used to provide water to plants and fish in an integrated cultivation system in lima peru ponds full of algae and other small organisms clean up the wastewater after 20 days it is safe for reuse currently many factories hotel chains and apartment buildings around the world are installing water recycling sys