Understanding Light Pollution

What is light pollution primarily caused by?

• Solar flares

• Moonlight

• Natural light sources

• Artificial or man-made lights

Which component of light pollution is characterized by a brightened night sky over cities?

• Clutter

• Sky glow

• Light trespass

• Glare

What is the effect of glare in light pollution?

• It causes visual discomfort

• It reduces energy consumption

• It improves night vision

• It enhances star visibility

Which of the following is NOT a source of light pollution?

• Natural moonlight

• Illuminated sporting venues

• Street lights

• Building interiors

How can light pollution be reduced in building interiors?

• Using more outdoor lighting

• Directing light below the horizontal

• Increasing the brightness of lights

• Installing more windows