The runoff from tofu factories pollutes rivers and kills fish. Over the last 40 years, Indonesia has built almost 50,000 biogas plants to convert the wastewater. We visited Sumedang to see how communities are producing cooking fuel from the waste of this popular food.

The tofu factories visited: Haji Oji and ITA

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Turning Tofu Waste Into Cooking Gas Helps Clean Rivers In Indonesia | World Wide Waste