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  2. Human waste - Wikipedia

    en.wikipedia.org/wiki/Human_waste

    Human waste (or human excreta) refers to the waste products of the human digestive system, menses, and human metabolism including urine and feces.As part of a sanitation system that is in place, human waste is collected, transported, treated and disposed of or reused by one method or another, depending on the type of toilet being used, ability by the users to pay for services and other factors.

  3. Hazardous waste - Wikipedia

    en.wikipedia.org/wiki/Hazardous_waste

    t. e. Hazardous waste is waste that must be handled properly to avoid damaging human health or the environment. Waste can be hazardous because it is toxic, reacts violently with other chemicals, or is corrosive, among other traits. [1] As of 2022, humanity produces 300-500 million metric tons of hazardous waste annually. [2]

  4. Human feces - Wikipedia

    en.wikipedia.org/wiki/Human_feces

    Human feces photographed in a toilet, shortly after defecation.. Human feces (American English) or faeces British English), commonly and in medical literature more often called stool, [1] are the solid or semisolid remains of food that could not be digested or absorbed in the small intestine of humans, but has been further broken down by bacteria in the large intestine.

  5. Waste management - Wikipedia

    en.wikipedia.org/wiki/Waste_management

    The aim of waste management is to reduce the dangerous effects of such waste on the environment and human health. A big part of waste management deals with municipal solid waste, which is created by industrial, commercial, and household activity. [4] Waste management practices are not the same across countries (developed and developing nations ...

  6. Biological hazard - Wikipedia

    en.wikipedia.org/wiki/Biological_hazard

    v. t. e. A biological hazard, or biohazard, is a biological substance that poses a threat (or is a hazard) to the health of living organisms, primarily humans. This could include a sample of a microorganism, virus or toxin that can adversely affect human health. A biohazard could also be a substance harmful to other living beings.

  7. Toxic waste - Wikipedia

    en.wikipedia.org/wiki/Toxic_waste

    The waste can contain chemicals, heavy metals, radiation, dangerous pathogens, or other toxins. Even households generate hazardous waste from items such as batteries, used computer equipment, and leftover paints or pesticides. [1] Toxic material can be either human-made and others are naturally occurring in the environment.

  8. Hazardous waste in the United States - Wikipedia

    en.wikipedia.org/wiki/Hazardous_waste_in_the...

    Under United States environmental policy, hazardous waste is a waste (usually a solid waste) that has the potential to: cause, or significantly contribute to an increase in mortality or an increase in serious irreversible, or incapacitating reversible illness; or. pose a substantial present or potential hazard to human health or the environment ...

  9. Waste - Wikipedia

    en.wikipedia.org/wiki/Waste

    The aim of waste management is to reduce the dangerous effects of such waste on the environment and human health. A big part of waste management deals with municipal solid waste, which is created by industrial, commercial, and household activity. [39] Waste management practices are not the same across countries (developed and developing nations ...