对历史形成的建筑环境进行保护已在加拿大社会生活中占有重要地位。保护老建筑的理由包括以下几方面:作为文化遗产的珍品而保留;若干老建筑可以改作其他用途并产生良好效益;破坏可以重新利用的资源是一种浪费;人们喜爱老建筑物的外貌和空间布局;价格形式的发展使更新利用老建筑比重新建筑更省资金。保护的手段很多。最富于建设性的一种是长期有计划的保护,可称之为预防性保护,即对于重要历史性建筑物通过立法,或经济上的刺激措施,来防止其 Protecting the historic built environment has occupied an important place in Canadian social life. The reasons for protecting old buildings include the following: preservation as a treasure of cultural heritage; certain old buildings can be used for other purposes and produce good benefits; destroying reusable resources is a waste; people love the appearance and space of old buildings. Layout; the development of price forms has made it easier to renovate old buildings than to reconstruct. There are many ways to protect. One of the most constructive is the long-term planned protection, which can be called preventive protection, that is, to prevent the passage of legislation or economic incentives for important historic buildings.