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urban waste disposal

Cockroaches corralled by the millions in China to crunch waste

JINAN: In the near pitch-dark, you can hear them before you see them - millions of cockroaches scuttling and fluttering across stacks of wooden boards as they devour food scraps by the tonne in a novel form of urban waste disposal. The air is warm and humid - just as cockroaches like it - to ensure the colonies keep their health and voracious appetites. Expanding Chinese cities are generating more food waste than they can accommodate in landfills, and cockroaches could be a way to get rid of hills of food scraps,…