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  2. Waste - Wikipedia

    en.wikipedia.org/wiki/Waste

    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.

  3. Waste management - Wikipedia

    en.wikipedia.org/wiki/Waste_management

    The "Global Waste Management Outlook 2024," supported by the Environment Fund - UNEP’s core financial fund, and jointly published with the International Solid Waste Association (ISWA), provides a comprehensive update on the trajectory of global waste generation and the escalating costs of waste management since 2018. The report predicts ...

  4. Construction waste - Wikipedia

    en.wikipedia.org/wiki/Construction_waste

    Construction waste or debris is any kind of debris from the construction process. Different government agencies have clear definitions. ... the waste generation in ...

  5. Waste-to-energy - Wikipedia

    en.wikipedia.org/wiki/Waste-to-energy

    The method of incineration to convert municipal solid waste (MSW) is a relatively old method of WtE generation. Incineration generally entails burning waste (residual MSW, commercial, industrial and RDF) to boil water which powers steam generators that generate electric energy and heat to be used in homes, businesses, institutions and ...

  6. Industrial waste - Wikipedia

    en.wikipedia.org/wiki/Industrial_waste

    Industrial waste may pollute the nearby soil or adjacent water bodies, and can contaminate groundwater, lakes, streams, rivers or coastal waters. [1] Industrial waste is often mixed into municipal waste, making accurate assessments difficult. An estimate for the US goes as high as 7.6 billion tons of industrial waste produced annually, as of 2017.

  7. Waste minimisation - Wikipedia

    en.wikipedia.org/wiki/Waste_minimisation

    Waste hierarchy. Refusing, reducing, reusing, recycling and composting allow to reduce waste. Waste minimisation is a set of processes and practices intended to reduce the amount of waste produced. By reducing or eliminating the generation of harmful and persistent wastes, waste minimisation supports efforts to promote a more sustainable ...

  8. Waste in the United States - Wikipedia

    en.wikipedia.org/wiki/Waste_in_the_United_States

    Categories of solid waste generated in the U.S., 1960 through 2014. As a nation, Americans generate more waste than any other nation in the world, officially with 4.4 pounds (2.0 kg) of municipal solid waste (MSW) per person per day, [1] with another study estimating 7.1 pounds (3.2 kg) per capita per day. [2]

  9. Wastewater - Wikipedia

    en.wikipedia.org/wiki/Wastewater

    Wastewater (or waste water) is water generated after the use of freshwater, raw water, drinking water or saline water in a variety of deliberate applications or processes. [1]: 1 Another definition of wastewater is "Used water from any combination of domestic, industrial, commercial or agricultural activities, surface runoff / storm water, and any sewer inflow or sewer infiltration".