Nationalisation would entail all land being owned by the state and farmers would lease it for a fee, because land was a "natural asset".
He suggested that adequate financial support be given to dependents on those natural assets to encourage and enable them find alternatives to their illegal businesses.
Daylight is an essential natural asset with proven physiological benefits that artificial lighting can not replicate.
The exhibition seeks to expand and network public open spaces, democratise public spaces and conserve natural assets amongst other things.
Presently, it has first-category legal protection status, denoting a natural asset of exceptional value.