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 …

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

6 days ago · 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 indicates …

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 …

Plastic is everywhere in our modern world, from packaging to vehicles, electronics, clothing and so much more. As we explore the complexity of recycling and upcycling plastics, it's important to understand …

Apr 25, 2023 · Affordable, durable and flexible, plastic pervades modern life, appearing in everything from packaging to clothes to beauty products. But it is thrown away on a massive scale: every year, …

Dec 3, 2025 · Editor’s note: This page was updated on Feb. 6, 2026, to correct the modelled years of healthy life lost from open burning and to fix other minor errors and typos. Preface In 2020, The Pew …

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 …

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 …

What is plastic? Plastics are polymers, that is, they’re large molecules made up of repeating smaller molecules known as monomers. Along with synthetic plastics, polymers exist in nature as well: the …