green belt

US /ˈɡriːn belt/
UK /ˈɡriːn belt/
"green belt" picture
1.

ceinture verte, zone verte

an area of open land around a city, on which building is restricted

:
The city council is committed to preserving the green belt.
Le conseil municipal s'engage à préserver la ceinture verte.
New housing developments are often restricted in the green belt areas.
Les nouveaux développements immobiliers sont souvent restreints dans les zones de ceinture verte.