The coconut tree found in tropical regions of the world like Kerala,SriLanka and other south asian countries is very useful nature friendly product.
Take the Coconut tree its trunk is good wood for light weight furniture, boats and for making charcoal,the wood chips can be bound together for strong woodboards.
The Coconut itself provides grated inner fruit,Coconut water is a natural thirst quencher. The Coconut husk is a good source of fibre which can be used for furnishing, for making good quality coir ropes etc.
Kerala is also the land of Kera fruit has a coir board which assists in promotion of coir products.