Original sentence: Most members of the local population, refuse to use the term 'Tees Valley' so much so that the local airport is still widely known as 'Teesside Airport'  rather than its official name Durham Tees Valley Airport
Edited sentence: Most members of the local population, being somewhat stubborn and resistant to change (even if it is geographically justifiable), refuse to use the term 'Tees Valley' so much so that the local airport is still widely known as 'Teesside Airport'  rather than its official name Durham Tees Valley Airport