(LiveScience) What do you do with 5 tons of old toilets? The city of Bellingham, Washington, found a creative (and sustainable) answer: Make sidewalk.
A section of a sidewalk installed as part of a road improvement project replaces conventional concrete with so-called "poticrete," which contains crushed porcelain instead of gravel.
The pieces of old toilets, crushed into three-quarter inch pieces, replaces about one dump-truck load of gravel, which would otherwise come out of a hillside somewhere, and saves about 5 tons of material — the toilets — from a landfill, according to project engineer Freeman Anthony.
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