Light pollution is the presence of artificial light in dark conditions that is annoying due to improper or excessive use by humans which is the negative side of industrial civilization due to the design of interior and exterior lighting. buildings, advertising, offices, malls, factories, street lights and sports areas. Causes of light pollution: Do not turn off unnecessary lighting devices, use Inadequate lighting equipment causes light to not focus on the area you need it, causing you to increase your energy levels beyond the allowable limit in lighting, overusing light in the same area , unreasonable maintenance of light causes waste of light sources and increases in energy costs,..... The consequences are as follows: wasted energy,
affect astronomical observations, disrupt ecosystems, affect wildlife, directly affect human health, ....., from which we need to take remedial measures this and avoid causing light pollution

Dịch : Viết về NGUYÊN NHÂN VÀ ẢNH HƯỞNG CỦA MỘT LOẠI Ô NHIỄM TRONG KHU VỰC CỦA BẠN

Air pollution is one of the most important pollution that humans need to understand and prevent, because it is the cause of global warming. Recently, Hanoi has announced that air pollution is at an alarming level with gray skies, which can directly affect human health. The main reason is due to human activities from means of transport, industrial production and weather factors. Our country is taking measures such as minimizing private vehicles, removing old vehicles, preventing dust at construction sites and not burning products that generate emissions that are toxic to the environment, at the same time planting many trees…. A fresh sky and air is what everyone wants, but to get that, people need to raise their awareness, contribute to protecting the environment and protect us.

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