How your toothbrush became a part of the plastic crisis

Toothbrush design is little changed from its earliest form. The biggest difference is in the materials: toothbrushes are now all made of at least some plastic. Take a tour of the humble toothbrush and find out how it affects the environment.
This article was created in partnership with the National Geographic Society.

At first, years ago, it was just an occasional piece of plastic trash that Kahi Pacarro, the founder of Sustainable Coastlines Hawaii, picked up on the beach cleanups he organized around the state. A straw here, a takeout container there. But one day Pacarro spotted something particularly surprising in the beach detritus: a toothbrush.

Now, in any given Hawaii beach cleanup, he says, it’s not uncommon to pick up 20 or even 100 toothbrushes.

The reason is simple. The total number of plastic toothbrushes being produced, used, and thrown away each year has grown steadily since the first one was made in the 1930s.

“I like to ask people, what’s the first thing you touch in the morning? It’s probably your

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