Because we must breathe air from a global atmospheric commons, air pollution anywhere is a potential threat elsewhere. Prevention is the key to pollution. This section covers the causes and effects that human activities have on the atmosphere.

This section covers the following topics:

 Atmosphere

Weather & Climate 

Climate Change 

Global Warming

Ozone Depletion  

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You can also use the "clickable" drop-down navigation menu on the left side of the page to navigate through the sub-sections contents of the Atmosphere menu.