elephant poo can turned into power? since last year, the denver zoo has been turning 90% of the zoo’s waste including elephant poo into power! their biomass gasification system helped to save 20% of the zoo’s power as well as providing hot water for the animals.
denver zoo is not the only zoo that is acting green! the saint louis zoo built their new Sea Lion Sound exhibit with recycled materials and disinfecting their pools with ozone which cut the use of chlorine by 80%. with energy-saving design, woodland park zoo’s penguin exhibit has saved 22,000 kwh of electricity and 3 million gallons of water every year.