In a minor political scandal, a Canadian federal 'environmental plan' speech
was leaked to the press yesterday before it was delivered. In it there is
the intention for Canada to follow Australia in banning incandescent light
bulbs for the sake of energy savings.
Funnily enough, in the last issue of Professional Lighting Design, the
editorial takes aim at the folly of the Australian move:
(Warning: written in German, then translated into English.....with limited
More significantly, the same issue of the magazine has a significant article
on the effects of mercury vapor lighting on human physiology which I noticed
because of my other research into this area because of my history with SAD
(treated last winter with Vitamin D with ***total***
success, BTW). From the
article, it turns out that vitamin D is one of the major players in human
photo-endocrinology, and is partly responsible for countering hormonal
stresses induced by some types of artificial light. Here's the abstract of
I have crudely scanned my copy of the full article and have made it
available online here:
The very visible gesture of banning incandescent light bulbs reminds of some
the other public relations gestures of the last "energy crisis", given the
other ways we now waste energy, like driving SUVs on the best roads in human
history. Rather than being merely foolish, it seems possible that it could
have uncalculated health effects. If we're lucky, as a sanguine Sigmund
Freud once said, "From error to error one discovers the entire truth."
Click to see the full signature.