High Quality Content by WIKIPEDIA articles! Waste (also referred to as rubbish, trash, refuse, garbage, or junk) is unwanted or unusable materials. In living organisms, waste is the unwanted substances or toxins that are expelled from them. More commonly, waste refers to the materials that are disposed of in a system of waste management. Waste is directly linked to human development, both technologically and socially. 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.

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