Welcome back to The Week in Weed, your Friday look at what’s happening in the world of legalized marijuana.

Colorado has made more than half a billion dollars from taxing marijuana since recreational sales became legal in the state three years ago.

Next week, Uruguay will begin sales of legal marijuana for adult residents.

The first municipality in Arkansas has granted formal approval to local rules that will govern medical marijuana companies that operate within its borders, setting the stage for the rest of the state to follow suit.

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