Light pollution ppt.pptx

Light Pollution

1. Light pollution Presented by – Abhay Singh Civil Engineering 21/CE/02

2. Introduction

3. Types of light pollution

4. Sky glow

5. Light trespass

6. Glare

7. Light clutter Refers to excessive group of light. Grouping of light may generate confusion, district from of obstacles and potentially causes accident.Clutter is particularly noticeable as roads where the street light are badly designed or where brightly advertising surrounds the road way

8. Causes

9. Effect of light pollution

10. Effect on fauna

11. Effect on flora

12. Conclusions Over the past 120 years since the invention of Edison’s bulb human beings have deviated from natures age old protections that are afforded by rest and repair during sleep and darkness. Just as we need daily exposure to natural sunlight to reset or biological clocks, we need ton sleep in total darkness to reset our diurnak rhythm. Light during darkness is a potentially serious threat, not only to human being but to other organisms as well.

13. Thank You