This is not harmful when used in vegetable gardens. The environmental concern, when it comes to aluminum, is in the process of making aluminum products. That is harmful to the environment. Also, when cooking, aluminum foil can leach into food when it’s heated up in a fire, on a grill, or on a stove, but not likely after one use. If it’s used multiple times to cook with, then it’s more likely.
This is not harmful when used in vegetable gardens. The environmental concern, when it comes to aluminum, is in the process of making aluminum products. That is harmful to the environment. Also, when cooking, aluminum foil can leach into food when it’s heated up in a fire, on a grill, or on a stove, but not likely after one use. If it’s used multiple times to cook with, then it’s more likely.