Lighting can be inefficient and have poor quality, short lifespans, and toxic ingredients.

BuildingGreen-Approved Replacement Lamps and Lighting

BuildingGreen approves a variety of replacement lamps and lighting, including:

Energy Star-qualified LED replacement lamps (or light bulbs), including A19 Edison, screw-in products... Read more

If I'm remembering correctly, someone at the summer summit mentioned working on / or being familiar with the Berkeley CA gas ban. A town here in MA is also considering a ban and wanted to get some feedback from Berkeley.

Has anyone here performed circadian lighting studies for WELL using rhino/grasshopper (Lark Spectral Lighting)? 

It seems that Lark can only simulate circadian metrics for daylighting, and NOT electric lighting.  Can anyone shed some light on this?  pun intended :)

Are there any other tools out there that would enable us to... Read more