Hidden Costs Series: Light Pollution

(youtube) Light pollution can be a hazard to our health. Just about every organism on the planet lives its life according to the rhythms of daytime and darkness. Excessive light can cause several human health problems -- from chronic fatigue and migraines to sexual dysfunction -- have also been linked to high-levels of light exposure.
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Sniper007says...

It would be kinda cool if the sun started shooting out EMPs at us randomly two or three times a week for a few years. Either that, or take a boat ride out to see some 300 miles from any light source at night. Not sure how else you could avoid light pollution now a days.

RFlaggsays...

Cutting back on light pollution isn't too hard if lighting and building designers and the like would just care. For highlighting a building, rather than have lights pointing up, put the lights under the eaves pointing down. (I actually don't get why people light up their houses so much, especially if there are street lights nearby as well, that makes that much more light for a thief to have in the house without having to use a flashlight or turn on lights or anything else to give away their activity, plus it just doesn't make sense to me to highlight a house 99.999% of the time) Along the sidewalk of the local shopping center strip, they have these big 3' round lights shining light in all directions, but if they simply capped it, and had a reflector on top to direct light down and around, they could achieve better light distribution for pedestrians for far less energy, a win all the way around for them. Light is still reflected off the ground up, but isn't as intense. Street lights can be made to cause less glare and direct light better, which again saves energy while keeping the light needed for the road just as good if not better. The problem is, those fixtures aren't widely used yet, so they cost more than the normal ones (supply and demand working out there, plus just gouging). I would bet that even a major city could greatly cut their light pollution down without sacrificing safety, and perhaps increasing it, and saving energy with just a few steps. Problem is most people don't know much about it, nor care, save for those of us who would love to have a nice telescope, but find it hard to justify especially when the skies nearby aren't dark enough... Really just need to start modifying zoning laws and restrict accent lighting and do better on street lighting where/when needed (and cutting it when not needed, which is perhaps far more often the case, since it is usually just a security blanket while not providing any security at all)... But yeah, since that isn't likely to happen, not much is likely to happen and those of us wanting to see the night sky in its glory are stuck with long drives...

Sniper007said:

It would be kinda cool if the sun started shooting out EMPs at us randomly two or three times a week for a few years. Either that, or take a boat ride out to see some 300 miles from any light source at night. Not sure how else you could avoid light pollution now a days.

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