Well written article and aimed at educating the general public.
The trouble is,it is not the general public who pollute the skies.
Neither is it the companies and local authorities who install the lights who cause the pollution; most of them couldnt tell a Watt from a Lux or a Candela... and most of them couldn't care less about Astronomers,whom they equate with trainspotters .(Whether Astronomers like it or not...its what the people who closed down the London Planetarium called Astronomers).
The REAL culprits are the DESIGNERS of those wasteful inefficient and polluting gadgets.
If we get the DESIGNERS and MANUFACTURERS to do a proper environmental job, with regard to their gadgets, major progress can be made.
This link is to an Irish lighting company.Click on the "external" to see their various products:
www.light.ie/search.asp
It's been done before, when Ralph Nader wrote "Unsafe at any Speed" he took on, and shamed and transformed, the American car industry and created (with Rachel Carson) the modern Environmental Movement.
See:
en.wikipedia.org/wiki/Unsafe_at_Any_Speed
Astronomy needs a Ralph Nader.
  