Who took the light bulbs?

Below is an excerpt from Ian’s Facebook blog, Building Evidence… Follow his page and get Ian’s latest research findings, anecdotes, and photos that show how we can measurably reduce energy use and carbon emissions in buildings.

“Most of our indoor spaces are WAY overlit. I measure it with a lightmeter all the time when I go into buildings, and see many spaces overlit by a factor of 50-100%, relative to national standards. This is an enormous waste of energy. So I decided to try an experiment. Don’t tell anyone, but…SEE MORE