Ninety-two adults and 13 kids live off of 450 acres of land together. — -- About 8 miles away from the small town of Louisa, Virginia, a mysterious hidden community is nestled deep in the woods.

Earthships are a fully off-the-grid, self-sustaining form of housing. ABC News is taking a look at solutions for issues related to climate change and the environment with the series, "The Power of Us: ...