Videos: Non-Art Interspecies Collaborations
Potty Trained Pigs Keep Rivers Clean
Chang Chung-tou

Chan Chung-tou, a pig farmer in Taiwan, taught his hogs to use a litter box to refrain from polluting the river. He has also saved 50% more water and helped him avoid fines for pollution by environmental authorities. Other farmers are being encouraged to follow Chan's lead and train their own pigs. Potty training also helps the pigs because they naturally like to be in a clean environment and gives them something to do and learn.

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