Main causes of light pollution

The main causes of light pollution:

1. White pollution:

When the sunlight is strong, the glass curtain walls and glazed brick walls of buildings in the city , polished marble and various paints and other decorations reflect light, making it bright and dazzling.

2. Mixed light:

Different types of light sources mixed together will seriously affect the passive recipient. and may cause a car accident. What’s even more frightening is that pilots flying at night need to spend energy finding and identifying aviation signals among these various lights.

3. Glare:

Strong light in the dark. Turning on high-beam headlights on well-lit city streets will temporarily cause "visual loss" to pedestrians or drivers on the opposite side, leading to traffic accidents. Moreover, if not properly protected, this glare can also damage people's vision.

4. Artificial daylight:

After night falls, the advertising lights and neon lights on shopping malls and hotels are dazzling and dazzling. Some strong beams of light even reach into the sky, making the night look like daytime, which is the so-called artificial daylight.

Extended information:

Driving at night, I was dazzled by the high-beam headlights of the oncoming car when meeting another car; in the middle of the night, the lights from nearby buildings illuminated my home as if it were daytime; the bright sun In the sky, the strong light reflected from the glass curtain wall of the building makes people dizzy... These are all light pollution in life.

On some local online political inquiry platforms, light pollution complaints and reports are more prominent. At present, a lot of work needs to be done to prevent and control light pollution, including refining relevant regulations and raising awareness.

“This store has three signboards, which are all lit up at night, making it impossible to sleep.” For more than a year, a resident of Baohe Subdistrict Office, Chengdu City, Sichuan Province has suffered from light pollution. After repeated complaints, the urban management, street office, property management and other parties worked hard to finally allow the merchants to reduce the brightness of the lights and shorten the lighting time.

Glass curtain walls, neon lights, high beam lights, landscape lights, etc., if used improperly, may cause light pollution. Data shows that excessive reflection in buildings or excessive lighting at night will not only affect people's sleep, vision, and mood, but may even disrupt the living environment of animals and plants.

People's Daily Online - Don't be slow to act to control light pollution