The numbers are staggering. According to one report, the world uses 500 billion plastic cups every year. It's estimated that 50 billion paper coffee cups are thrown away in the United States alone.

A widespread reusable cup pilot program in one California city shows more environmental benefit than single-use plastic alternatives. Now organizers need to figure out how to make effort more ...

A viral video is raising concerns about everyday tea and coffee habits. It claims that hot beverages in paper cups can expose consumers to microplastics and harmful metals. The clip demonstrates how ...