What happens to a wooden pencil after you wear it down to a stub? It gets tossed into the trash.
"There are 15 billion pencils made annually, and three million of those just in the United States. That's a lot of pencil stubs thrown away," said Michael Stausholm, CEO of Sprout World.
These pencils sprout into vegetables, herbs and flowering plants - Nov. 4, 2015
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