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 …

4 days ago · Learn what plastics are made of, how they differ by type, and what the research says about their potential health effects.

Mar 6, 2026 · plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure.

Sep 8, 2025 · Plastic pollution is growing a threat to ecosystems, the climate and our own health. What can be done to prevent it?

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

What is Plastic? Plastic is a manufactured material mainly made from natural gas, oil, and coal. Plastics are synthetic polymers consisting of long, repeating chains of molecules that are chemically …

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

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.

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 …

In this article, we'll examine the chemistry of plastic, how it's made, how it's used, and how it's disposed of and recycled. We'll also look at some new biologically based plastics and their role in the future of …