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 …

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

Nov 20, 2025 · For the average person, trying to avoid plastics can feel overwhelming—and maybe pointless. Our writer asked two experts how they navigate our plastic-filled world.

4 days ago · The connection between plastic and climate change usually focuses on how plastic is partly to blame for the crisis: more than 98% of it is made using fossil fuels, and climate …

3 days ago · Plastic pollution is poisoning the planet. Some experts suggest making plastics from more "natural" materials, but research shows those still have risks.

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. …

Plastics are incredibly versatile materials that can be used to make a variety of products. They are lightweight yet durable, strong yet malleable, and relatively inexpensive to produce. There are …

The meaning of PLASTIC is a plastic substance; specifically : any of numerous organic synthetic or processed materials that are mostly thermoplastic or thermosetting polymers of high …

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 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 …