Night Earth

Nyeri, Kenya

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Nyeri is a beautiful city located in central Kenya. It is the largest city in Nyeri County with an estimated population of 100,000 people. Nyeri is located on the slopes of Mount Kenya, which is the second-highest mountain in Africa, and this location gives the city its natural beauty. The city has been growing in recent years, and as a result, there has been an increase in light pollution.

Light pollution is the excessive and misdirected artificial light that is emitted into the environment, causing a disruption in the natural day-night cycles and affecting the natural habitats of both animals and humans. Nyeri has an estimated light pollution level of 14.64 mag/arcsec², which is considered moderate. This is due to the streetlights, building lights, and other sources of light in the city.

One of the primary sources of light pollution in Nyeri is the streetlights. The city has a network of streetlights that illuminate the roads and buildings. These streetlights are essential for public safety and security but can contribute to light pollution if they are not well designed and directed. The streetlights in Nyeri are mostly high-pressure sodium (HPS) and mercury vapor lamps, which emit a significant amount of light into the environment.

Another source of light pollution in Nyeri is the building lights. The city has many buildings that are lit up at night, including hotels, offices, and residential buildings. These buildings use different types of lighting, including incandescent bulbs, fluorescent tubes, and LED lights. The type of lighting used can affect the level of light pollution, with LED lights being the most energy-efficient and the least polluting.

In addition to streetlights and building lights, other sources of light pollution in Nyeri include car headlights, security lights, and outdoor advertising. Car headlights can cause glare and light trespass, which is when the light from the headlights enters private property, causing a disturbance to the occupants. Security lights, which are designed to deter crime, can also contribute to light pollution if they are not well directed. Outdoor advertising, such as billboards and neon signs, can also emit excessive and misdirected light into the environment.

Nyeri has many notable landmarks, including the Baden-Powell Museum, the Outspan Hotel, and the Dedan Kimathi University of Technology. The Baden-Powell Museum is a museum dedicated to the founder of the Scouting movement, Lord Baden-Powell. The museum displays artifacts and documents related to Baden-Powell's life and the history of the Scouting movement. The Outspan Hotel is a historic hotel that was once a hunting lodge for colonial administrators. The hotel has hosted many famous guests, including Queen Elizabeth II. The Dedan Kimathi University of Technology is a public university that offers courses in science, engineering, and technology.

The people of Nyeri are mainly involved in agriculture, with coffee being the primary cash crop. The city also has a growing tourism industry, with visitors coming to see the natural beauty of the region and to learn about its history and culture. The habits of the people living in Nyeri vary, but many of them go to bed early and wake up early to tend to their farms or businesses.