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Waste comes in many different forms and may be categorized in a variety of ways. The types listed here are not necessarily exclusive and there may be considerable overlap so that one waste entity may fall into one to many types.
They are called "closed" because products have a circular life cycle, beginning as raw materials and either being recycled into replacement products, returning to the original raw materials, or being returned to the environment as biodegradable waste. [2] This reduces the amount of (non-biodegradable) waste disposed, as recyclables are ...
If current production and waste management trends continue, roughly 12,000 Mt of plastic waste will be in landfills or in the natural environment by 2050. [11] In addition, by 2030, CO 2 emissions from the production, processing and disposal of plastic could reach 1.34 gigatons per year—equivalent to the emissions released by more than 295 ...
Inert waste is waste which is neither chemically nor biologically reactive and will not decompose or only very slowly. Examples of this are sand, concrete , and demolition waste . This has particular relevance to landfills as inert waste typically requires lower disposal fees than biodegradable waste or hazardous waste .
Fishing gear such as nets, ropes, lines, and cages often get lost in the ocean and can travel large distances which has negatively impacted many marine animals such as coral. The fishing gear is made up of non-biodegradable plastic in many different species of coral get tangled in which causes them to lose tissue and possibly die. [160]
Debris on beach near Dar es Salaam, Tanzania Debris collected from beaches on Tern Island in the French Frigate Shoals over one month. Researchers classify debris as either land- or ocean-based; in 1991, the United Nations Joint Group of Experts on the Scientific Aspects of Marine Pollution estimated that up to 80% of the pollution was land-based, [5] with the remaining 20% originating from ...
Some examples of mixed waste in this context include a combination of broken glassware, floor sweepings, non-repairable household goods, non-recyclable plastic and metal, clothing, and furnishings. Additionally, ashes, soot, and residential renovation waste materials are also included under this definition.
This page was last edited on 26 February 2015, at 12:58 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.