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• The article discusses the effects of light pollution on human health and the environment.
• Light pollution is caused by artificial lighting and can have a detrimental impact on nocturnal animals, plants, and ecosystems.
• Solutions to reduce light pollution include using shielded lights, reducing outdoor lighting, and creating dark sky preserves.

What is Light Pollution?

Light pollution is a form of environmental degradation caused by the use of artificial light sources such as street lights, interior lighting, vehicle headlights, and more. This type of light has been proven to interfere with natural processes such as photosynthesis in plants, animal migration patterns, and even sleep cycles in humans.

Effects on Human Health

The artificial illumination from light pollution has been linked to numerous health issues including obesity, depression, disrupted circadian rhythms (our internal clock), sleep deprivation due to disruption in melatonin production (a hormone associated with sleep), increased cancer risk due to exposure to blue-light (emitted from electronic devices) at night time, and eye strain due to long periods spent staring at screens in dimly lit rooms.

Effects on Wildlife

Light pollution can also have an adverse effect on wildlife species that rely on darkness for survival or reproduction. Nocturnal animals such as bats are unable to hunt effectively when their vision is impaired by bright lights while migratory birds may become confused or disoriented when they encounter too much artificial illumination during their flight path. Additionally, many plant species are adversely affected by nighttime lighting as their growth cycles may be disrupted without sufficient darkness for photosynthesis.


There are several solutions that can be implemented in order to reduce the amount of light pollution present in an area. These include using shielded lights which direct the beam downwards instead of outwards into the night sky; reducing outdoor lighting where possible; creating dark sky preserves where artificial lighting is strictly limited; promoting energy-efficient LED bulbs; installing motion sensors for outdoor security lights; avoiding blue-light emitting screens before bedtime; and ensuring that indoor lighting levels remain low at night time for better quality restorative sleep.


Light pollution has wide-reaching consequences for both humans and wildlife alike and it’s important that we take steps towards reducing its impact wherever possible. By being conscious about our own use of artificial lighting sources as well as implementing energy efficient solutions like dimmable LED bulbs we can help ensure a healthier future for ourselves as well as our planet’s inhabitants!