green belt
US /ˈɡriːn belt/
UK /ˈɡriːn belt/

1.
зеленый пояс, зеленая зона
an area of open land around a city, on which building is restricted
:
•
The city council is committed to preserving the green belt.
Городской совет привержен сохранению зеленого пояса.
•
New housing developments are often restricted in the green belt areas.
Новые жилые комплексы часто ограничены в зонах зеленого пояса.