Explain:

Pollution- A problem

Pollution is the introduction of harmful substances into the natural environment that cause adverse impact. Pollution can be caused due to natural and man-made factors. There are various types of pollution

• Air pollution: Emission of toxic gases from factories, automobiles lowers the quality of air. According to WHO, air pollution can lead to premature deaths.

• Noise Pollution: Prolonged exposure of High noise levels can contribute to cardiovascular diseases. Loud noise can cause a serious threat to a child’s physical and psychological health.

• Water pollution: It is caused when harmful effluents from factories or households are discharged into water bodies without treatment. Inadequate amount of quality water can lead to water scarcity. Intake of contaminated water is also linked to various diseases like cholera, typhoid, dysentery etc.