Aviation & Aerospace Bags FeedstockTurning Tree Bark and Compost into Aircraft Wings and Plastic Bags by Axel BarrettJune 1, 2021June 2, 2021 Why scientists want to turn tree bark and compost into aircraft wings and plastic bags Subscribe Now! This content is only available to paid subscribers. Buy a subscription today. More Info buy Log in Share this:TweetLike this:Like Loading... Related