Air pollution is the introduction of particulates,biological molecules, or other harmful materials into Earth's atmosphere, causing disease, death to humans, and damage to other living organisms
the atmosphere is a complex natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has been recognized as a threat to human health as well as to the Earth's ecosystems.
According to the U.S. Environmental Protection Agency, human activities are largely responsible for an increase in temperature around the globe, primarily due to carbon dioxide and other greenhouse gas emissions.