The fiber doesn't use oil, and other chemical raw materials, its waste in soil and water, the microbes may be broken down into carbon dioxide and water, not polluting the earth environment.

该纤维完全不使用石油等化工原料，其废弃物在土壤和海水中的微生物作用下，可分解成二氧化碳和水，不会污染地球环境。

youdao

To pull this off they took advantage of a number of recent engineering advances reduced anode-cathode spacing, evolved microbes and novel separator materials though the fundamental process is pretty straight-forward: special bacteria (those evolved microbes) are introduced to organic waste material.

FORBES: Better Than A Kite In A Thunderstorm: The New Science Of Generating Zap From Trash