Katie Kelly Bell Contributor
One of the cellar’s hemp bricks.
Chateau Maris’ 9,000 square foot wine cellar in southern France maintains a stable temperature year-round without the use of air conditioning or heating; it’s sustainable, organic, all-natural, odorless, and acts as a carbon sink–able to absorb carbon dioxide for up to 25 years (according to a French study). The cellar isn’t made of brick, or stone, or some magical new ingredient, but rather it’s a simple combination of hemp, lime and wood. Three things, that’s it.