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

Ahead of the UNEP-hosted World Environment Day, here’s a closer look at what plastic pollution is, why it’s such a problem ...

Ahead of the UNEP-hosted World Environment Day, here’s a closer look at what plastic pollution is, why it’s such a problem ...

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In every scientific discovery in the movies, a scientist observes something unexpected, scratches the side of his or her forehead and says "hmmmmm." In just such a moment in real life, scientists ...