LAHORE: Air pollution is a broad term that refers to any chemical, physical (particulate matter), or biological agent that modifies the natural characteristics of the atmosphere — a complex, dynamic, natural gaseous system that is essential to support life on planet Earth.
Stratospheric ozone depletion due to air pollution has long been recognised as a threat to human health as well as to the Earth’s ecosystem. Globally, air pollution is directly responsible for a large number of respiratory disease cases, and resultantly, the deaths caused by them. The World Health Organisation estimates that 4.6 million people die each year from causes directly attributable to air pollution. Continue reading »