关于噪声污染,光污染,固体废弃物污染的介绍,英文（每个不过3~4行）

关于噪声污染,光污染,固体废弃物污染的介绍,英文（每个不过3~4行）

噪声污染：Noise is a body to do random sounds,sounds from objects caused by vibration,in the form of waves in a medium (such as a solid,liquid,gas ) for communication usually said the noise pollution is a man-made.From the physiological point of view,every interference people rest,study and work in the voice,which does not need,collectively referred to as noise.When the noise of people in and around the adverse environmental effects,on the formation of noise pollution.
光污染：It is now generally accepted that the effects of light pollution,natural environment,to human normal life,work,rest and entertainment brings adverse effect,damage the observation ability of object,causes the human body discomfort and damage to human health in a variety of light.From ten nm to a millimeter wavelength radiation,i.e.,ultraviolet radiation,visible light and infrared radiation,under different conditions are likely to become light pollution source.
固体废弃物污染：Solid waste refers to human production and life in discard solids and sludge,such as mining waste,tailings,coal gangue; industrial production of blast furnace slag,steel slag; agricultural production in straw,human and animal feces; nuclear industry and some medical units of the radioactive waste; city rubbish etc.If not removed,is bound to the atmosphere,soil,water pollution,leading to mosquitoes breeding,bacterial reproduction,so that the disease is spreading,harm to human health.