UGB

UGB stands for Urban Growth Boundary, which is a tool used in urban planning to control the expansion of cities.
UGB代表城市增长边界，是城市规划中用来控制城市扩张的工具。
The purpose of establishing an UGB is to prevent sprawl and preserve farmland or natural areas.
设立UGB的目的是防止蔓延并保护农田或自然区域。
Portland, Oregon was one of the first cities in the United States to implement an UGB.
俄勒冈州波特兰市是美国最早实施UGB的城市之一。
Critics argue that UGBs can limit housing supply and increase housing costs.
批评者认为UGB会限制住房供应并提高住房成本。
In some cases, UGBs have been successful in promoting compact, sustainable development.
在某些情况下，UGB已成功地促进了紧凑、可持续的发展。
The effectiveness of an UGB depends on factors such as population growth and economic conditions.
UGB的有效性取决于诸如人口增长和经济状况等因素。
Some states, like California, have statewide policies requiring certain cities to establish UGBs.
一些州，如加利福尼亚州，有全州范围内的政策要求某些城市建立UGB。
While UGBs can help manage growth, they may also create challenges for infrastructure planning and funding.
尽管UGB可以帮助管理增长，但它们也可能给基础设施规划和资金带来挑战。
Local governments typically review and update their UGBs every few years to reflect changing needs and circumstances.
地方政府通常每隔几年审查和更新他们的UGB，以反映不断变化的需求和情况。
The concept of an UGB originated in Europe and has since been adopted by many countries around the world.
UGB的概念起源于欧洲，此后已被世界各地许多国家采用。