And many coffee shops offer discounts for bringing your own cup, or offer porcelain mugs for dine-in drinks. To make a long-lasting difference, Pratesi feels a lot more effort is required.

Our expert tests reveals the best reusable travel mugs and coffee cups to keep your coffee hot and water chilled. Bodum, Contigo, KeepCup, Starbucks, Stojo, Thermos and more reviewed.

Scientists are attempting to develop ways to filter microplastics out of the human body. More brands are trying to develop plastic-free packaging. And many coffee shops offer discounts for bringing ...