Much of the U.S. uses single-stream recycling, where plastic, glass and paper go into one bin. Here’s what happens to that ...

Successful recycling requires some care. Alejandra Villa Loarca/Newsday RM via Getty Images Alex Jordan, University of Wisconsin-Stout Every week, ...

The reason behind circular indents on plastic milk jugs has been driving social media users crazy as a dairy organization has finally revealed its real purpose ...

Just about every plastic milk jug has a circular indent on its side, but why? Is it just decoration? Does it help determine ...