Numlock Sunday: Jodi Helmer on how to grow marijuana responsibly

By Walt Hickey

Welcome to the Numlock Sunday edition. Each week, I'll sit down with an author or a writer behind one of the stories covered in a previous weekday edition for a casual conversation about what they wrote.

This week, I spoke to Jodi Helmer who a few weeks ago wrote The Environmental Downside of Marijuana Cultivation. Here's what I wrote abou…

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