Read the comment again ... slowly -- mod has a dense writing style that may be difficult to comprehend on first reading. People can actually live "close to the land" all over the world. Farmers, for example. I think a few may even be found in Georgia.
Living "close to the land" means to be familiar and comfortable with, and reliant on, what "the land" (that is, nature) has to offer. The opposite of a city-dweller, basically.
I cannot come up with any motivations besides the guy actually just wants to protect the wild.
He grew up close to the land, so that makes sense to me.