Vying to become the 'greenest' zoo in the world, the Denver Zoo has installed a new energy system run entirely on animal dung and garbage. The system uses a process called gasification to turn waste into energy
Read More »Vying to become the 'greenest' zoo in the world, the Denver Zoo has installed a new energy system run entirely on animal dung and garbage. The system uses a process called gasification to turn waste into energy
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