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  2. WM (Waste Management) (company) - Wikipedia

    en.wikipedia.org/wiki/WM_(Waste_Management...

    Waste Management's operations consist of environmental protection, groundwater protection, environmental engineering, and air and gas management. Waste Management currently operates ten full-scale waste treatment landfill projects in the U.S. and Canada.

  3. History of waste management - Wikipedia

    en.wikipedia.org/wiki/History_of_waste_management

    The first known wastewater management system is located in present day Syria . Located in the Fertile Crescent, the Mesopotamian "oasis" shows evidence of wastewater management beginning around 6500 BCE.

  4. Wastewater treatment - Wikipedia

    en.wikipedia.org/wiki/Wastewater_treatment

    Wastewater treatment is a process which removes and eliminates contaminants from wastewater. It thus converts it into an effluent that can be returned to the water cycle. Once back in the water cycle, the effluent creates an acceptable impact on the environment. It is also possible to reuse it.

  5. Waste management - Wikipedia

    en.wikipedia.org/wiki/Waste_management

    Waste management or waste disposal includes the processes and actions required to manage waste from its inception to its final disposal. This includes the collection, transport, treatment, and disposal of waste, together with monitoring and regulation of the waste management process and waste-related laws, technologies, and economic mechanisms.

  6. Wastewater - Wikipedia

    en.wikipedia.org/wiki/Wastewater

    t. e. 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 ...

  7. Sanitation - Wikipedia

    en.wikipedia.org/wiki/Sanitation

    Sanitation includes all four of these technical and non-technical systems: Excreta management systems, wastewater management systems (included here are wastewater treatment plants), solid waste management systems as well as drainage systems for rainwater, also called stormwater drainage.