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 …

Nov 19, 2025 · plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure.

Oct 31, 2025 · Plastic products are generally versatile, durable and lightweight. Plastic products are prominent in the construction, transportation, and packaging industries. Plastic innovations …

Jun 7, 2019 · 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...

Nov 18, 2025 · Plastic coverage from Scientific American, featuring news and articles about advances in the field.

Plastic is a versatile material used to make thousands of products people use every day. Learn about the types of plastic classification, history and unique chemistry that gives plastic its variety of uses …

Dec 4, 2025 · UNEP supports governments, businesses, financial institutions, and other stakeholders in driving a just transition to a circular economy for plastics, helping to reduce plastic pollution and its …

Jun 19, 2025 · Plastics Talks to end plastic pollution crisis fail Global talks aimed at ending the plastic pollution crisis failed once again after 11 days of work at the United Nations office in Geneva.

Plastics are mostly petrochemicals, made from natural gas or from petroleum, a type of oil. Chemical engineers refine the petroleum which goes through a heating process. It develops ethylene and …

Jan 9, 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.