What is a consequence of CFC stability in the atmosphere?

CFCs, or chlorofluorocarbons, are stable compounds in the atmosphere due to their strong carbon-chlorine bonds, which do not readily break down under normal atmospheric conditions. When CFCs eventually rise high into the stratosphere, they are exposed to ultraviolet (UV) radiation, which causes them to break apart and release chlorine atoms. These chlorine atoms play a significant role in the destruction of ozone molecules, contributing to ozone depletion.

The stability of CFCs makes them persist in the atmosphere for many years, which is why they can accumulate and lead to significant environmental impacts, particularly concerning the ozone layer. This property directly correlates with their ability to release ozone-depleting chlorine once they reach the upper atmosphere, highlighting the environmental consequences of their use and persistence.

Understanding the mechanism by which CFCs contribute to ozone layer depletion underscores the importance of regulating substances that can harm the environment, particularly those that can withstand long-term atmospheric conditions before having detrimental effects.