Numlock Sunday: Julie Kendrick on the all ki…

By Walt Hickey Welcome to the Numlock Sunday edition. This week, I spoke to Julie Kendrick, who wrote “Shampoo Bars: What they are, how they work, and why we need them” for HuffPost. Here's what I wrote about it: The beauty industry produces 120 billion units of plastic packaging waste per year around the world. In the United States alone, every year

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