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Waste

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Waste, is an unwanted or undesired material or substance.

Other definitionsEdit

It is also referred to as rubbish, trash, garbage, or junk depending upon the type of material and the regional terminology. In living organisms, waste relates to unwanted substances or toxins that are expelled from them.

Waste managementEdit

Waste management is the human control of the collection, treatment and disposal of different wastes.

Why thisEdit

This is in order to reduce the negative impacts waste has on environment and society.

How linkedEdit

Waste is directly linked to the human development, both technologically and socially.

CompositionEdit

The composition of different wastes have varied over time and location.

With industrial development and innovation being directly linked to waste materials. Examples of this include plastics and nuclear technology. Some components of waste have economical value and can be recycled once correctly recovered.

UncontrolledEdit

Biodegradable waste such as food waste or sewage, is broken down naturally by microorganisms either aerobically or anaerobically. The disposal of biodegradable waste has to be controlled.

If not doneEdit

If not done it can cause a number of wider problems including contributing to the release of greenhouse gases and can impact upon human health via encouragement of pathogens.

Marine litterEdit

Marine debris, also known as marine litter, is human-created waste that has deliberately or accidentally become afloat in a lake, sea, ocean or waterway.

See also Edit

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