Buildings are associated with what percentage of all carbon dioxide emissions in

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试卷: LEED v4 GA模拟题B卷[查看]
Buildings are associated with what percentage of all carbon dioxide emissions in the U.S.?
A: 14%
B: 38%
C: 72%
D: 50%

参考答案: B

本题解释:
正确答案：B
系统解析: Knowledge Domain: Project Surroundings and Public Outreach

For conventional buildings: 14% of potable water consumption; 30% of waste output; 40% of raw materials use; 38% of carbon dioxide emissions; 24% to 50% of energy use; and 72% of electricity consumption. According to a survey by the GSA for 12 of their green buildings: 26% less energy usage; 33% lower emissions of carbon dioxide (CO2); 13% lower maintenance costs; and 27% higher levels of occupant satisfaction.

Environmental impacts of the built environment > necessity of green buildings [ Reference Guide Introductory and Overview Sections (Preface > The Case for Green Buildings): http://www.usgbc.org/guide/bdc ]