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IDA Information Sheets and Practical Guides are provided for educational, non-commercial use only. All material is copyrighted by IDA unless otherwise noted. Terms of use for images.
Information is arranged by topic. For a listing of Information Sheets by number click here.
NEW!! - Visit the Teaching Resources or the International Year of Astronomy 2009 page for downloadable brochures and posters. This resource is designed to be printed out at your location on regular copy paper and can be distributed at your discretion.
Practical Guides
This new series of resources provides basic knowledge of an issue, describes simple steps you can do to help resolve it, and references additional materials so you can increase your knowledge. Please look through the topics listed below to find one or several that best suit your interests. This is an ongoing project to provide the most up-to-date information on a variety of topics. Be sure to check back for additional Practical Guides in the future.
Practical Guide: Introduction to Light Pollution (PG-1)
Black and white version of PG-1
Practical Guide: Effects of Artificial Light at Night on Wildlife (PG-2)
Black and white version of PG-2
New!! Practical Guide: Residential Lighting (Good Neighbor Guide) (PG-3)
Black and white version of PG-3
Consequences of Light Pollution
Overviews
Astronomy
Economy
Energy
Environment
Health & Vision
Safety & Security
Wildlife Conservation
Lighting
Good/Dark Sky Friendly Lighting
Bad Lighting
Security Lighting
Street Lighting
Residential/Good Neighbor Lighting
Commercial Lighting
Campus Lighting
City Lighting
Technical Lighting
Lighting Ordinances
General Information
Dark Sky Advocacy
Getting Started
Public Outreach
Campaigning for Dark Skies
Documenting Light Pollution
Grass-Roots Fundraising
The International Dark-Sky Association (IDA)
General Information
IDA Sections
General Light Pollution Issues
Overviews
1. The Problem with Light Pollution
Contaminación Lumínica - Problema de Todos (Español)
65. Leaflet: On Light Pollution (reprinted with permission of Ontario Hydro)
114. Illumination Levels: Then and Now by Louis Bevier Spinney
(excerpt from A Text-Book of Physics (1911))
115. Illumination Levels: Then and Now by Louis Bevier Spinney
(excerpt from A Text-Book of Physics (1925))
134. Contaminación Lumínica: El Problema, Las Soluciones (Español)
Astronomy
10. Summary of IAU Colloquium No. 112
Light Pollution, Radio Interference, and Space Debris--The Increasing Environmental Impacts on Observational Astronomy (reprinted with IAU permission).
11. Estimating the Level of Sky Glow Due to Cities
20. Sky glow Effects on Existing Large Telescopes
45. International Astronomy Union Resolutions About the Issues
53. World Administrative Radio Conference-92: Principal Results of Importance to Radio Astronomy by A.R. Thompson
11. Impressions of a Night Sky Unaffected by Light Pollution
112. More About Sky Glow Calculations Using Walker's Law
120. Light Pollution and Limiting Magnitude
184. Preserving the Common Heritage of All Humanity: Radio Astronomy and Interference
Economy
4. Operating Data and the Economics of Different Lamps
26. Economic Issues in Wasted and Inefficient Outdoor Lighting
179. Too Much Outdoor Lighting Pollutes the Sky, Wastes energy, and Creates Safety Hazard (reprinted with permission by the National Lighting Bureau)
Energy
52. Efficient Outdoor Lighting
115. Illumination Levels: Then and Now by Louis Bevier Spinney
(excerpt from A Text-Book of Physics (1925))
179. Too Much Outdoor Lighting Pollutes the Sky, Wastes energy, and Creates Safety Hazard (reprinted with permission by the National Lighting Bureau)
Environment
21. Light Pollution: Another Threat to the Environment (poster paper by Dr. David L. Crawford)
125. Environmental Effects of Roadway Lighting by Carl Shaflik
193. Bright Lights, Big Ocean by Dr. Richard Podolsky
Health & Vision
136. Some Issues on Low Light Level Vision By Dr. David L. Crawford
154. Reclaiming the Milky Way by Dr. Stephen M. Pauley, M.D.
156. The Aging Eye--Some Basic Information
Safety & Security
24. Security Lighting: Let's Have Real Secuity, Not Bad Lighting (En Español)
51. Lighting and Crime
63. U.S. Department of Justice Study of Street Lighting and Crime
104. Rethinking the Conventional Wisdom of Security Lighting
(excerpt reprinted with permission of the author, Henri Bérubé)
179. Too Much Outdoor Lighting Pollutes the Sky, Wastes energy, and Creates Safety Hazard (reprinted with permission by the National Lighting Bureau)
Wildlife Conservation
29. Turtles and Outdoor Lighting in Florida by Kristen Nelson
109. Impact of Outdoor Lighting on Moths by Kenneth D. Frank
(excerpt reprinted with permission of Journal of the Lepidopterists' Society)
182. Artificial Lighting and Wildlife--A Moth to a Flame by Ted Schaar
187. Effects of Artificial Light at Night on Wildlife
Lighting
Good/Dark Sky Friendly Lighting
12. Recommendations for Effective Outdoor Lighting
30. Discussion and Partial List of Lighting Fixtures
32. Telling the Difference Between Different Lighting Sources
34. We All Need Good Outdoor Nighttime Lighting
52. Efficient Outdoor Lighting
106. Advice Before Installling an Outdoor Lighting System
122. Examples of Good and Bad Lighting Fixtures
138. Evaluating and Existing or Proposed Lighting Installation by Paul Lutkevich
159. Shielding Floodlights: Improving Performance to Prevent Glare, Light Trespass, and Light Pollution by Bob Crelin
168. Dark Skies and the Camping/RV Experience by John Gilkison
194. Sensible Shore Lighting
Bad Lighting
3. Why We Don't Like the 175 Watt Mercury Fixture
42. Some Lighting Myths
66. What to do About Those !@#$* Streetlights
122. Examples of Good and Bad Lighting Fixtures
131. Light Pollution: Are You a Culprit? by L. J. von Maltitz
Street Lighting
61. Quality Street Lighting by George Eslinger
63. U.S. Department of Justice Study of Street Lighting and Crime
66. What to do About Those !@#$* Streetlights
117. State DOT Roadway Lighting Survey Results by David Oesper
125. Environmental Effects of Roadway Lighting by Carl Shaflik
Commercial Lighting
35. Billboards
130. Communication Tower Lighting
145. Service Station/Convenience Store Lighting
150. Uplight Impacts of Canopy Lighting by Dr. Christian B. Luginbuhl
155. How to Ask
166. ATM LIghting
185. Sports and Recreational Area Lighting
Campus Lighting
23. Campus Lighting and Similar Applications
27. Control of Outdoor Lighting at Wesleyan University by Arthur Upgren
54. Dark Campus Programs Reduce Vandalism and Save Energy
(reprinted with permission from Building Operator/Iris Communications)
City Lighting
139. Why Should a City Government Be Concerned About Light Pollution?
by John Gilkison
172. Outdoor Lighting Ordinances and Community Standards
185. Sports and Recreational Area Lighting
192. The Urban Nightscape--Our Next Frontier by Chris Walker
194. Sensible Shore Lighting
Technical Lighting
4. Operating Data and the Economics of Different Lamps
76. Exterior Lighting: Glare and Light Trespass by Andrew S. Kosiorek
77. Recommended Lighting Levels for Exterior Lighting
78. Basic Lighting Laws and Some Notes on Pole Spacing Geometry
118. Lighting Software for Control of Obtrusive and Upward Light by Peter Jarvis
123. Some Notes on Cutoff Angle and Glare
125. Environmental Effects of Roadway Lighting by Carl Shaflik
143. What Is a True "Full-Cutoff" Outdoor Lighting Fixture? by Bob Crelin
144. Leveling Flat-Lens Cobrahead Streetlights for Optimum Glare Reduction
148. Estimating Average Illumination Levels
169. Retrofitting Ballasted Area Lights to an Edison Socket by John Gilkison
178. Lighting and the Visual Environment for Senior Living
(Overview of Illuminating Engineering Society of North America RP-28-98)
Lighting Ordinances
General Information
60. Communities Initiate Steps to Illuminate Streets, Not Skies
(reprinted with permission of Page Electric Utility Round-Up Bulletin)
78. Basic Lighting Laws and Some Notes on Pole Spacing Geometry
158. Initiating a Lighting Ordinance in Your Municipality by C. Stanley Stubbe
172. Outdoor Lighting Ordinances and Community Standards
180. How to Get State Legislation Passed by Robyn Martin
181. Getting Started With an Outdoor Lighting Ordinance by David Penasa
Dark Sky Advocacy
Getting Started
40. Dark Sky Advocacy: How to Get Started
Public Outreach
22. Sample Letter: Building Awareness About Light Pollution (En Español)
90. Handout: Light Pollution--Theft of the Night! (En Español)
128. How to Talk to the Media
138. Evaluating and Existing or Proposed Lighting Installation by Paul Lutkevich
147. Sound Bites for use in presentations
186. Sample Letter: Good Lighting Makes Good Neighbors
Campaigning for Dark Skies
6. Advice on Working with Community Leaders, Officials, and Others
158. Initiating a Lighting Ordinance in Your Municipality by C. Stanley Stubbe
180. How to Get State Legislation Passed by Robyn Martin
181. Getting Started With an Outdoor Lighting Ordinance by David Penasa
Documenting Light Pollution
97. Tips for Nighttime Photography
146. Photographing Examples of Light Pollution--The Basics
Grass-Roots Fundraising
22. Sample Letter: Building Awareness About Light Pollution (En Español)
153. Information on Non-Profit Organization Fund Raising
155. How to Ask
The International Dark-Sky Association (IDA)
General Information
138. Evaluating an Existing or Proposed Lighting Installation by Paul Lutkevich
IDA Sections
8. Developing Local & Regional IDA Sections
Archives
Archived Information Sheets (Note: These Information Sheets are provided for historical purposes only as the content may be out of date.)
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