The Eco-Friendliness of Using Coconut Shells Coconut shells are a natural byproduct of the coconut industry and have traditionally been considered as waste. However, in recent years, there has been a growing interest in their potential as a sustainable resource. In this article, we will explore the eco-friendliness of using coconut shells and the benefits that this can bring. The Benefits of Coconut Shells Coconut shells are a versatile and sustainable material.