Can a tree help you be smarter? This week we dive into that question and discuss how air pollution effects our brains, and how trees can help keep us operating at our top level. After our rating, we head LIVE to the Grand Finale of the Tournament of Champion Trees with Tobin Mitnick (@jewslovetrees).

Completely Arbortrary is produced and hosted by Casey Clapp and Alex Crowson

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Cover art by Jillian Barthold
Music by Aves and The Mini-Vandals