Our wall! What in the world happening to our beautiful living wall?! A couple of months ago the maintenance team started noticing plants dying off and so the detective work began to try and solve the mystery of the dying wall. Here’s a look at the factors which contributed to our beloved wall’s shabby appearance. Lights. Unlike the sun, the energy emitted by light bulbs slowly degrades over time. This degradation which occurred at a rate faster than anticipated means that although the lights were on for 8 hours a day the concentration of light was too low for plants to sustain metabolic activity. This degradation coupled with a sensor failure led to the current situation. A system of sensors is in place to monitor the environmental conditions of the living wall, however when this system fails it can be difficult to determine what the root cause of the problem is as was the case this past summer.  The living wall is a massive six storey high hydroponic system instal...