1. If we cut down too many trees, we may not be able to survive, because trees produce oxygen and without oxygen humans won’t survive.

2. If we cut down trees, animals that live on trees won’t have places to live thereby.
3. Sand and dirt will be washed into the ocean, without the trees, we will have no place to live on.
4. What will animals that depend on trees to survive do? Move to another tree? If they starve , we might starve as well.
5. Cutting down trees and not replanting them is wasting natural resources that was there long before us.