Not all plastic is the same. Old yogurt cups and milk jugs, for example, don’t play well together when being turned into new ...

What would a month without buying any new single-use plastic products look like? It’s a tall order for many Americans, who go through about five pounds of plastic a week, according to Oxford ...

Seventh-grader Ethan Lentz, 13, marvels as a liquid turns into gelatin Tuesday as Lexin Aldridge, a 14-year-old seventh-grader, adds a powder. All of the seventh- and eighth-graders at Wayne E.