I am working on a AAA Ballpark project. My understanding is that the lighting power density for the external floodlighting is required to comply with a figure of 2.15 W/m2 as it’s been classified

project is along an arterial road with lots of city lights.

We are doing external lighting simulation for factory building. We are using 250W street light fitting (10nos) and there is no other type of lights.

Can actual lighting level measurements be used as for compliance for this credit?

Hello all, Regarding light leaking from a high bay warehouse with clerestory windows above the dock doors.

We are working on a government facility which will potentially have Statues and/ or large War Relics displayed on-site.

I have been working on a 1000-person lodge which is shooting for LEED Silver.

The FAQs describes that the vertical footcandles needs to be measured at ground level. In my opinion, it is not true. Reference guide NC v3 describes that "Calculate the vertical light levels alon

If you're having trouble knowing exactly how much uplight the light fixtures on your site are emitting there is a simple free tool for converting an IES file into an output that will display upligh

This note is for CALGreen but thought I'd share anyway. The Light Pollution credit under CALGreen is now considered voluntary until July 1st.