How human activity and nature collide to thin our atmosphere

Stratospheric Ozone Depletion| Global change| AP Environmental Science| Khan Academy · 5:09 · Video: Khan Academy · Watch at the source

In short: This lesson explores the dual drivers of stratospheric ozone depletion. It explains how industrial chemicals interact with natural atmospheric cycles to impact the Earth's protective layer.

The degradation of the ozone layer is driven by a combination of anthropogenic and natural factors. Human-made substances, specifically chlorofluorocarbons (CFCs), are primary contributors to this environmental change.

Natural processes also play a role, notably the melting of ice crystals in the atmosphere during the early Antarctic spring. Understanding these intersecting mechanisms is essential for studying global change and atmospheric chemistry.

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