important of prevent pollution

pollution are always harmful effect of  human life.
if we are not privet in pollution then that are harmful effect of human life.
how to effect pollution effect of human life?
if environmental ate pollute then all living animal are affect in that local area.
water pollution are in there water use and have many type of disease.
example- diaper, blood cancer, skin disease, feel weak etc.
if air pollution are then affected living organs are lungs cancer, asthma, indigestion etc
if noise pollution are affect human life brain tumor, weak finical fit mess, etc
in pollution are so many effected in living organisms.