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.

Next month, more than 30 chain restaurants and locally owned coffee shops and eateries in Petaluma, California, will begin providing beverages in reusable cups by default as part of a ...

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 ...

Tracy J. Wholf is a senior coordinating producer of climate and environmental coverage for CBS News and Stations, based in New York. Many consumers trust that when they toss a plastic cup into a ...

Grist is a nonprofit, independent media organization dedicated to telling stories of climate solutions and a just future. Next month, more than 30 chain restaurants and locally owned coffee shops and ...