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  2. Recycling by material - Wikipedia

    en.wikipedia.org/wiki/Recycling_by_material

    Recycling can be carried out on various raw materials. Recycling is an important part of creating more sustainable economies, reducing the cost and environmental impact of raw materials. Not all materials are easily recycled, and processing recyclable into the correct waste stream requires considerable energy.

  3. Recycling codes - Wikipedia

    en.wikipedia.org/wiki/Recycling_codes

    Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.

  4. Recycling - Wikipedia

    en.wikipedia.org/wiki/Recycling

    This is an accepted version of this page This is the latest accepted revision, reviewed on 15 February 2025. Converting waste materials into new products This article is about recycling of waste materials. For recycling of waste energy, see Energy recycling. "Recycled" redirects here. For the album, see Recycled (Nektar album). The three chasing arrows of the universal recycling symbol ...

  5. Plastic - Wikipedia

    en.wikipedia.org/wiki/Plastic

    [105] [106] [107] Recycling rates lag behind those of other recoverable materials, such as aluminium, glass and paper. From the start of plastic production through to 2015, the world produced around 6.3 billion tonnes of plastic waste, only 9% of which has been recycled and only ~1% has been recycled more than once. [ 108 ]

  6. List of waste types - Wikipedia

    en.wikipedia.org/wiki/List_of_waste_types

    This page was last edited on 3 December 2024, at 07:12 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  7. Non-renewable resource - Wikipedia

    en.wikipedia.org/wiki/Non-renewable_resource

    A coal mine in Wyoming, United States. Coal, produced over millions of years, is a finite and non-renewable resource on a human time scale.. A non-renewable resource (also called a finite resource) is a natural resource that cannot be readily replaced by natural means at a pace quick enough to keep up with consumption. [1]

  8. Refuse-derived fuel - Wikipedia

    en.wikipedia.org/wiki/Refuse-derived_fuel

    The heavy materials will usually continue to a landfill. The residual material can be sold in its processed form (depending on the process treatment) as a plain mixture or it may be compressed into pellet fuel, bricks or logs and used for other purposes either stand-alone or in a recursive recycling process. [4]

  9. Zero waste - Wikipedia

    en.wikipedia.org/wiki/Zero_waste

    Zero-waste designs strive for reduced material use, use of recycled materials, use of more benign materials, longer product lives, repair ability, and ease of disassembly at end of life. [3] Zero waste strongly supports sustainability by protecting the environment, reducing costs and producing additional jobs in the management and handling of ...