• Ozone depletion is caused by various human activities, such as CFCs produced by aerosol cans and industrial solvents.
• The ozone layer protects the Earth from harmful ultraviolet radiation.
• Nations have agreed to reduce CFC emissions to help prevent further ozone depletion.

What is Ozone Depletion?

Ozone depletion is a phenomenon observed in the Earth’s atmosphere which occurs when certain pollutants, such as chlorofluorocarbons (CFCs) released from aerosol cans and industrial solvents, break down the stratospheric ozone layer that protects us from harmful ultraviolet radiation from the sun.

Impacts of Ozone Depletion

Without this protective layer of ozone in place, more UV-B radiation could reach the surface of the Earth. This can lead to increased skin cancer rates, cataracts, and suppression of immune systems—particularly for those people living closer to the poles where ozone levels are lower than normal. Plant life would also suffer due to increased UV-B radiation reaching plants on land or in water, which can damage their DNA and result in reduced growth or even death.

Preventing Further Damage

Nations around the world have worked together through treaties like the Montreal Protocol to reduce emissions of CFCs and other pollutants responsible for ozone depletion. By taking these steps, it has been possible to slow down further harm being done to our environment and allow time for recovery of some parts of the ozone layer already damaged by pollution.

The Role of International Cooperation

International cooperation is key when it comes to tackling environmental problems like ozone depletion because no one nation can do it alone—it requires coordinated efforts between multiple countries all working together towards a common goal. Through international treaties like the Montreal Protocol, nations have come together with shared responsibilities and goals in order to protect our environment for future generations.


Ozone depletion is a serious threat facing our planet today due to certain pollutants released into our atmosphere that damage its protective layer against harmful UV-B radiation from the sun. Fortunately, nations around the world have come together through international agreements like the Montreal Protocol in order to reduce emissions of these pollutants and protect our environment so we can enjoy cleaner air for generations to come.

Von Harro