Air Pollution, Climate Change
& Ozone Depletion


The atmosphere



The atmosphere's four layers


Atmospheric properties



Solar energy heats the atmosphere



Solar energy causes air to circulate



Air masses produce weather


Thermal (temperature) inversions


Global wind patterns


Storms pose hazards


Natural sources pollute: fires


Natural sources pollute: dust storms



We create outdoor air pollution



Air Pollution

Global Climate Change




World Climates