Tees Valley Wildlife Trust
The Tees Valley Wildlife Trust is a wildlife trust covering the Tees Valley area of England. Its area of operation corresponds to the four unitary authorities of Hartlepool, Stockton-on-Tees, Middlesbrough and Redcar and Cleveland, covering parts of the ceremonial counties of County Durham and North Yorkshire.
Source: Wikipedia — Tees Valley Wildlife Trust (CC BY-SA 4.0)