Campaign for National Parks
The Campaign for National Parks (CNP), formerly the Council for National Parks and the Standing Committee on National Parks, is an independent UK registered charity that advocates for the protection, enhancement, and public enjoyment of the National Parks of England and Wales. It operates as an umbrella body for around 40 environmental and access organisations, collectively representing more than four million people with an interest in National Parks.
Source: Wikipedia — Campaign for National Parks (CC BY-SA 4.0)