The Labour Party has said it will designate ten new national parks if it wins power on 12 December.
Areas including the Chilterns, Malvern Hills, Lincolnshire Wolds and the north Pennines are among those touted for the status.
There are currently 15 national parks in the UK. Designation is a matter devolved to the national leaderships of Scotland, Wales and Northern Ireland.
All UK national parks have two statutory purposes: to conserve and enhance the natural and cultural heritage of the area; and to promote understanding and enjoyment of the special qualities of the national park by the public.
Labour has also announced it will aim to plant two billion trees by 2040 and restore habitats to help hedgehogs and water voles.