It's in the Bag You'll never catch Andy Keller answering "plastic" to the "Paper or plastic?" question at the grocery store. As a matter of fact, you won't hear him answering "paper," either.

"Those bags end up in a landfill," says Keller. "It's a waste of natural resources." As the founder and CEO of The ChicoBag Company, Keller, 34, has made it his mission to get others to follow his environmentally friendly example. "I want to help humanity kick the single-use bag habit," he says.

The concept for Keller's company is incredibly simple: He sells reusable shopping bags. But while he's the first to admit that this isn't a new idea, Keller says he has a twist on it that has helped his company take off: His bags are made of nylon and can be folded small enough to fit in a glove compartment, backpack or even a back pocket. "Reusable bags, like the typical canvas bag, haven't been convenient," explains Keller. "People are always forgetting them at home, so they're not around when [shoppers] need them."