Who doesnt have fond memories of visiting their local zooseeing seeing all of the exotic animals that you wouldnt normally see in your hometown and getting an up-close glimpse at those you wouldnt want to encounter in the wild? Getting to view those creatures in habitats made to look like their natural settings gave visitors an idea of all of the sights and, unfortunately, even the smells of the animals natural habitats.
Now a couple of zoos in North America want to capitalize on those unpleasant smells by turning animal waste into energy.
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