--- Richard Tenney <retenney@yahoo.com> wrote:
I just got off the phone with a local reporter who wants to do a story on light pollution . . . 2. The local paper wants to do an interview (with pictures) about . . . saving money . . .
From the ISDA Whitepaper "Why We Don't Like the 175 Watt Mercury Fixture" "Thus it is quite possible that the nation is wasting $1,000,000,000 (One Billion Dollars!) merely to light the sky and produce glare." http://www.darksky.org/infoshts/is003.html
See the ISDA Whitepaper "Operating Data and the Economics of Different Lamps" If you reduce the wattage of a low sodium pressure lamp by 1/2 from 180W to 90W, and still project the same security light on the ground (you're just wasting less by light lost to the sky), you save about $30 a year per fixture. http://www.darksky.org/infoshts/is004.html ISDA PowerPoint Presentation Contains good illustrative photographs on good and bad lighting http://www.darksky.org/mu-media/Web%20IDA%20Basic_files/v3_document.htm IDSA Papers on Basic Lighting Data and Information http://www.darksky.org/infoshts/istopic.html#2.01 IDSA Papers on Economic Issues http://www.darksky.org/infoshts/istopic.html#2.03 ISDA Education Center Topical List http://www.darksky.org/infoshts/istopic.html ISDA Homepage http://www.darksky.org/ I also checked the Salt Lake City Corp. website << http://www.slcgov.com/search/search.asp >> but did not find anything helpful. Clear Skies - Canopus56 __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com