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  1. Plastic - Wikipedia

    Plastics are a wide range of synthetic or semisynthetic materials composed primarily of polymers. Their defining characteristic, plasticity, allows them to be molded, extruded, or pressed into a diverse …

  2. Plastic | Composition, History, Uses, Types, & Facts | Britannica

    Apr 14, 2026 · plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure.

  3. Plastic Pollution - Our World in Data

    Improving the management of plastic waste across the world — especially in poorer countries, where most of the ocean plastics come from — is therefore critical to tackling this problem. This page …

  4. Impacts of Plastic Pollution | US EPA

    May 15, 2025 · Plastic pollution poses a threat to the marine environment. It puts marine species at higher risk of ingesting plastic, suffocating, or becoming entangled in plastic pollution. Research …

  5. The world’s plastic pollution crisis, explained - National Geographic

    May 28, 2025 · Plastic pollution has become one of the most pressing environmental issues, thanks to the overwhelming rise in production of disposable plastic products. Plastic pollution is most visible in...

  6. Plastic: Definition, Types, Properties, Applications, Advantages, and ...

    Apr 21, 2023 · Plastic is a synthetic polymer made from various organic materials that can be molded into almost any shape. Some types of plastic are clear and transparent, like that used in disposable …

  7. Plastic pollution | UNEP - UN Environment Programme

    Mar 27, 2026 · Plastic has many valuable uses in our daily lives, but our current production and consumption practices and levels pose threats to our health and environment. Plastic pollution …

  8. Science 101: Plastics - Education

    Oct 19, 2023 · From polymers to nurdles, learn how plastic is created and what we can do to slow the lasting repercussions this material will have on both our planet and our lives.

  9. Real-time Science – What’s plastic? - Center for Research on ...

    Jan 29, 2024 · Plastics, as a term, is used to describe a vast array of materials composed of polymer-containing compounds. Generally, folks consider plastic to be synthetic or semi-synthetic polymers …

  10. Plastic pollution | Definition, Sources, Effects, Solutions, Ocean ...

    Apr 6, 2026 · Plastic is a polymeric material —that is, a material whose molecules are very large, often resembling long chains made up of a seemingly endless series of interconnected links.