Transcription of Environmental Issues - NCERT
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Human population size has grown enormously over thelast hundred years. This means increase in demand forfood, water, home, electricity, roads, automobiles andnumerous other commodities. These demands are exertingtremendous pressure on our natural resources, and arealso contributing to pollution of air, water and soil. Theneed of the hour is to check the degradation and depletionof our precious natural resources and pollution withouthalting the process of is any undesirable change in physical,chemical or biological characteristics of air, land, water orsoil.
or less in diameter (PM 2.5) are responsible for causing the greatest harm to human health. These fine particulates can be inhaled deep into the lungs and can cause breathing and respiratory symptoms, irritation, inflammations and damage to the lungs and premature deaths. ±
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