Plastic, what's so bad about it? It fills so many important functions in our world. From food packaging to toys, plastics are everywhere. It's pretty crazy when you realize just how much plastic is out there, and how troublesome it can be to get rid of. You might say, what can be so bad about such a widespread material? Glad you asked, because that's exactly what will be unfolded in this week's episode on Journey to Earth.

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