CNN's Don Riddell explores connecting directly with Earth by kicking off his shoes while outdoors. Djavan Rodriguez/Moment RF/Getty Images

Whenever I see Kim McAdams, she is never wearing shoes. Every year, she checks my car emissions from her workstand at a parking lot in Roswell, Georgia. In the four years that I’ve known her, come rain or shine, she is always barefoot.

I had heard of people who kick off their shoes to connect with Earth, and it always sounded so calming. But in a parking lot littered with who knows what underfoot?

This year, my curiosity got the better of me. “Do you, by any chance, believe in the practice of grounding?” I asked. She replied with a smile, “Whatever makes you think that?”

McAdams said that she has never liked shoes, and at some point, during her ti

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