pollution l.
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Presentation Transcript
air pollution
AIR POLLUTION

According to the World Health Organization (WHO),

about 2 million premature deaths are

caused each year due to air pollution in cities

across the world.

light pollution
Light Pollution
  • LIGHT POLLUTION IS THE SKY GLOW PRODUCED BY THE SCATTERING OF ARTIFICIAL LIGHT IN THE GASES AND PARTICLES OF THE AIR

Facts:

  • The problem of light pollution pertains to more than light trespass or humans not being able to see the stars.
noise pollution
Noise Pollution
  • Noise pollution is a type of energy pollution in which distracting, irritating, or damaging sounds are freely audible.

Facts:

  • Eventually, continues or repeated exposures high intensity sound can cause acoustic trauma to the ear!!
water pollution
Water Pollution
  • Water Pollution is addition of harmful chemicals to natural waters..

Facts:

  • About 20% of the world's population lacks access to safe drinking water and about 50% lacks adequate sanitation.