ABOUT AIR POLLUTION
AIR POLLUTION OCCURS WHEN HARMFULL SUBSTANCES INCLUDING PARTICULATES AND BIOLIGICAL MOLECULES ARE INTODUCED INTO EARTH'S ATMOSPHERE. IT MAY CAUSE DISEASES, ALLERGIES OR DEATH OF HUMANS.IT MAY ALSO CAUSE HARM TO OTHER LIVING ORGANISMS SUCH AS ANIMALS AND FOOD CROPS . IT MAY DAMAGE THE NATURAL OR BUILT ENVIRMENT. HUMAN ACTIVITIES AND NATURAL PROCESSES CAN BOTH GENERATE AIR POLLUTION . INDOOR AIR POLLUTION AND POOR URBAN AIR QUALITYARE LISTED AS TWO OF THE WORLD'S WORST TOXIC POLLUTION PROBLEMS IN THE 2008 BLACKSMITH INSTITUTION WORLD'S WORST POLLUTED PLACES REPORT. ACCORDING TO THE 2014 WORLD HEALTH ORGANISATION REPORT AIR POLLUTIONIN 2012 CAUSED THE DEATH OF AROUND 7 MILLION PEOPLE WORLDWIDE, AN ESTIMATE ROUGHLY ENCHOED BY ONE FROM THE INTERNATIONAL ENERGY AGENCY.AN AIR POLLUTANT IS A SUBSTANCE IN THE AIR THAT CAN HAVE ADVERSE EFFECT ON HUMANS AND THE ECOSYSTEM . THE SUBSTANCE CAN BE SOLID PARTICLES, LIQUID DROPLETS ,OR GASES.