By what amount must external lighting levels be reduced in residential areas for

google

试卷: LEED AP ND模拟题A[查看]
By what amount must external lighting levels be reduced in residential areas for GIB Credit Light Pollution Reduction?

A: 25%
B: 50%
C: 75%
D: 20%

参考答案: A

本题解释:
A:Remember 50/50: 50% of the external lighting must be reduced by 50% lighting levels.

This must be done when there is no activity in the past 15 minutes.