Air pollution is the term used to describe the dirtying of the air we breathe in. Air it is not always obvious, in some cases, a visible smog (thick smoke) can be seen, but not all air pollution can be seen by the eye. Pollution of the air takes place when anything makes its way into the air that would not normally be expected to and that could act as a threat to normal human health.
WHERE DOES AIR POLLUTION COME FROM?
Due to the rise of industrial activity, ambient air pollution affects nearly all regions, settings, ages and groups of people on the planet. The World Health Organisation (a branch of the United Nations concerned with health all over the world) sets guidelines on air pollution limits.The organisation has estimated that 91% of the world