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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. Paper recycling - Wikipedia

    en.wikipedia.org/wiki/Paper_recycling

    Waste paper collected for recycling in Italy Bin to collect paper for recycling in a German train station. The recycling of paper is the process by which waste paper is turned into new paper products. It has a number of important benefits: It saves waste paper from occupying homes of people and producing methane as it breaks down.

  4. Plastic recycling - Wikipedia

    en.wikipedia.org/wiki/Plastic_recycling

    Plastic recycling is the processing of plastic waste into other products. [1] [2] [3] Recycling can reduce dependence on landfill, conserve resources and protect the environment from plastic pollution and greenhouse gas emissions. [4] [5] [6] Recycling rates lag behind those of other recoverable materials, such as aluminium, glass and paper.

  5. Resource recovery - Wikipedia

    en.wikipedia.org/wiki/Resource_recovery

    Resource recovery can be enabled by changes in government policy and regulation, circular economy infrastructure such as improved 'binfrastructure' to promote source separation and waste collection, reuse and recycling, [5] innovative circular business models, [6] and valuing materials and products in terms of their economic but also their social and environmental costs and benefits. [7]

  6. Zero waste - Wikipedia

    en.wikipedia.org/wiki/Zero_waste

    In US states with recycling incentives, there is constant local pressure to inflate recycling statistics. Recycling has been separated from the concept of zero waste. One example of this is the computer industry where worldwide millions of PC's are disposed of as electronic waste each year in 2016 44.7 million metric tons [ 24 ] of electronic ...

  7. Waste management - Wikipedia

    en.wikipedia.org/wiki/Waste_management

    The recycling of complex products (such as computers and electronic equipment) is more difficult, due to the additional dismantling and separation required. The type of material accepted for recycling varies by city and country. Each city and country has different recycling programs in place that can handle the various types of recyclable ...

  8. Environmental impact of paper - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of_paper

    In 2014, 97.5%, 99.9% and 99.8% of effluent samples from pulp and paper mills met regulatory requirements for toxicity tests on fish, biochemical oxygen demand, and total suspended solids, respectively. [30] The pulp and paper industry is also associated with important emissions of heavy metals.

  9. Glass recycling - Wikipedia

    en.wikipedia.org/wiki/Glass_recycling

    Glass recycling is the processing of waste glass into usable products. [1] Glass that is crushed or imploded and ready to be remelted is called cullet . [ 2 ] There are two types of cullet: internal and external.