waste

Waste (or wastes) are unwanted or unusable materials. Waste is any substance discarded after primary use, or is worthless, defective and of no use. A by-product, by contrast is a joint product of relatively minor economic value. A waste product may become a by-product, joint product or resource through an invention that raises a waste product's value above zero.
Examples include municipal solid waste (household trash/refuse), hazardous waste, wastewater (such as sewage, which contains bodily wastes (feces and urine) and surface runoff), radioactive waste, and others.

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    COUNTRIES Charted: The Global Plastic Waste

    Charting the Movement of Global Plastic Waste Globally, about 350 million metric tons of trash plastic are produced each year. This is the same as more than ten million fully loaded trash trucks. The majority of this waste is either burned or dumped in landfills, which eventually...
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