physical, ecological, or ambient surroundings

the practice or movement of protecting the natural environment

a component or stage within an integrated system, process, or organization

a repeating series of events or a closed logical loop

chain; a series of interlocking rings

circling or traveling around the entire globe

public cleanliness and environmental hygiene services, particularly in an urban context

environmental pollution

to move in a circle or path around a central object

the environment from a macro perspective; the broader context; the bigger picture

ring of light; halo; (fig.) glory; splendor

environmental sanitation; measures taken to maintain cleanliness and public health in the environment

the most vulnerable or least effective part of a system, organization, or process

to travel around (the world, a country, etc.)

a circular public transportation route, such as a subway or rail line that forms a loop

Central district of Hong Kong Island

located or taking place around the perimeter of a city

to travel around an island

the mathematical area between the circumferences of two concentric circles

a closed circuit or circular path in electronics, physics, or computing

a finger ring

to look in all directions or around one's immediate surroundings

having the shape of a ring, loop, or torus; annular

to encircle or be situated around something on all sides

lianhuanhua (Chinese picture storybook or graphic novel)

Li Ruihuan (1934-), former Chinese politician

of an environmentally friendly type or design

a ring-shaped frame decorated with flowers, often used as a prop in dance or as a decorative item

to look around or scan one's surroundings, such as a room or environment

the mathematical area between two concentric circles

rings (gymnastics)

round-robin tournament

dangers spring up all around; surrounded by perils

Tai Wan, a locality in Kowloon, Hong Kong

epoxy resin (chemistry)

an iron ring

Yang Yuhuan (719-756), also known as Yang Guifei, a famous Tang Dynasty beauty and the beloved consort of Emperor Xuanzong.

environmental protection office or local administrative agency

the chemical process of forming a ring structure from an open-chain molecule

pull tab on a drink can

to be surrounded by the sea; describing a landmass or nation that has sea on all sides

the Pacific Rim

clitellum (worm anatomy)

door knocker (in the shape of a ring)