I never knew that there is only about six percent of wetlands left on earth. It's really shocking to find out that we humans are the cause of all the destruction upon the wetlands. We humans build barriers for our need, but it is harmful to the wetlands ''Barriers prevent plants and animals from migrating Barriers also prevent wetland plants and animals with highly sensitive aquatic tolerances from migrating''. We need to help fix the wetlands, but it is really hard to identify. Scientist and government policies are still arguing over what defines a real wetland. The wetlands are very important to certain types of species that live in it. With out the wetlands the species can die off or be forced to move else where.