Our planet's resources are limited, how to conserve natural resources is an urgent problem. The construction industry is energy-consuming, it relates to water, timber, minerals, and many other resource consumptions. Related statistics show that nearly half of the resources that people get from nature are used in the construction industry and the construction of ancillary facilities (Gottfried and Malik 2009). Meanwhile, the construction industry is also highly polluting industry and the broken of natural resources is shocking, so energy conservation is an important object. In modern society, many countries are seeking to develop a low-carbon economy and circular economy, striving to get the maximum benefits. The researches of the low-carbon-saving building can develop a low-carbon economy and circular economy, but also benefit future generations. Tianjin is the first city to study the carbon-saving buildings and constructions of energy-saving city, its constructions of low-carbon energy-efficient buildings always walk in the forefront of our country. For example, the financial district named Jiabao and community service centers named Beitang are Tianjin's low-carbon energy-efficient building landmark projects. This article briefly describes the main low-carbon energy-efficient buildings in Tianjin status and the concepts and construction techniques of carbon-saving building constructions.
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