The Role of the Ozone Layer in Climate Stability

The ozone layer plays a crucial role in maintaining the Earth’s climate by protecting life from the harmful effects of ultraviolet (UV) radiation. This thin layer of gas, located in the stratosphere, absorbs and scatters the majority of the Sun's harmful UV rays, which can cause skin cancer, cataracts, and other health issues, as well as disrupt ecosystems. Without the ozone layer, life as we know it would be unable to thrive on Earth. Furthermore, the ozone layer influences climate stability by regulating the amount of solar radiation that reaches the Earth’s surface.

The depletion of the ozone layer, primarily caused by human-made chemicals such as chlorofluorocarbons (CFCs), has led to an increase in UV radiation reaching the planet, causing environmental damage and contributing to global warming. Efforts to repair the ozone layer, such as the Montreal Protocol, have been successful in reducing CFC emissions, but continued global cooperation is necessary to ensure its full recovery and maintain climate stability.

SUMMARIZE SECTION

Summarize the reading in your own words or use the questions to help you explain the main points.

  1. What role does the ozone layer play in climate stability?

  2. How does the depletion of the ozone layer affect the planet?

  3. What actions have been taken to protect the ozone layer?

Your Summary: _____________________________

PARAPHRASE THIS POINT

Say this sentence in fewer words.
Look at this sentence: "The depletion of the ozone layer, primarily caused by human-made chemicals such as chlorofluorocarbons (CFCs), has led to an increase in UV radiation reaching the planet, causing environmental damage and contributing to global warming."

Your Sentence: _____________________________

VOCABULARY SECTION

Ultraviolet (UV) – A type of electromagnetic radiation that is harmful in large amounts.
Example: "UV radiation can cause serious skin damage if you are exposed to it for too long."
Your Sentence: _____________________________

Ecosystem – A community of living organisms and their environment.
Example: "The destruction of coral reefs affects the entire marine ecosystem."
Your Sentence: _____________________________

Depletion – The reduction or loss of something.
Example: "Overfishing has led to the depletion of many fish species."
Your Sentence: _____________________________

Chlorofluorocarbons (CFCs) – Chemical compounds that cause damage to the ozone layer.
Example: "CFCs were once commonly used in refrigerators but were banned due to their environmental impact."
Your Sentence: _____________________________

Montreal Protocol – An international agreement aimed at reducing the use of substances that deplete the ozone layer.
Example: "The Montreal Protocol has significantly reduced the release of harmful chemicals into the atmosphere."
Your Sentence: _____________________________

QUOTE FROM THE READING

  • What does the author say about the importance of the ozone layer for life on Earth?

  • Respond with a quote from the reading.

Your Thoughts: _____________________________

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