Noise, Air and Water Pollution
Noise pollution is displeasing human-, animal- or machine-created sound that disrupts the
activity or balance of human life. The word noise comes from the Latin word nausea meaning
seasickness. The source of most outdoor noise worldwide is transportation systems, including
motor vehicle noise, aircraft and rail noise. Poor urban planning may give rise to noise pollution,
since side-by-side industrial and residential buildings can result in noise pollution in the
residential area. Other sources of indoor and outdoor noise pollution are car alarms, emergency
service sirens, office equipment, factory machinery, construction work, barking dogs, audio
entertainment systems, loudspeakers, and noisy people.
Air pollution is the Air pollution is a mixture of solid particles and gases in the air. Car
emissions, chemicals from factories, dust, and pollen and mold spores may be suspended as
particles. Ozone, a gas, is a major part of air pollution in cities. When ozone forms air pollution,
it's also called smog.
Some air pollutants are poisonous. Inhaling them can increase the chance you'll have health
problems. People with heart or lung disease, older adults and children are at greater risk from air
pollution. Air pollution isn't just outside - the air inside buildings can also be polluted and affect
your health.
Water pollution is the contamination of water bodies such as lakes, rivers, oceans, lagoons, and
groundwater. All water pollution affects organisms and plants that live in these bodies of water
and in almost all cases the effect is damaging either to individual species and populations but
