Understanding Light Pollution

What is light pollution primarily caused by?

• Reflections from the moon

• Outdoor artificial light

• Natural sunlight

• Bioluminescence in animals

Which invention is compared to the effects of light pollution in the text?

• The steam engine

• The telephone

• The internet

• Electric light bulb

What percentage of the world's population lives under sky glow?

• Over 80 percent

• Nearly 70 percent

• Less than 30 percent

• About 50 percent

What hormone's production is affected by increased nighttime light?

• Estrogen

• Adrenaline

• Insulin

• Melatonin

Which type of light specifically reduces levels of melatonin?

• Green light

• Yellow light

• Red light

• Blue light

What is the main effect of light pollution on sea turtles?

• Confusion during migration

• Decreased shell growth

• Enhanced vision at night

• Increased speed of swimming

Which organization certifies dark sky reserves?

• International Dark Sky Association

• Global Light Control Federation

• World Wildlife Fund

• United Nations Environmental Program

What is a common recommendation to reduce light pollution?

• Use outdoor lighting only when necessary

• Increase the use of neon lights

• Use reflective surfaces on buildings

• All lights should be turned off at night

Which area is mentioned as being in total darkness?

• The Alps in Europe

• Siberia in Russia

• Central Park in New York

• The Outback in Australia

What effect does underwater artificial lighting have on marine life?

• Decreases water temperature

• Increases the growth of coral reefs

• Enhances fish migration patterns

• Reduces the number of filter feeders