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Short answer:
Causes: Chlorofluorocarbons (CFCs) and other halogens (all man-made gases) emitted from industry rise to the stratosphere where ultraviolet radiation breaks them up and releases their chlorine. Chlorine destroys the ozone layer.
Effects: Decreasing ozone means increases in melanoma (skin cancer), cataracts, famine (loss of arable land, and damage to crops). This would only occur in areas that had this thinning or hole in the ozone.
More detailCauses:CFCs and related halocarbon gases are the main cause of ozone depletion all over the world. CFCs released from Western countries take several years to reach the stratosphere where the ozone layer is. During that time winds spread them all over the world. In the presence of ultraviolet light these gases release chlorine and bromine atoms which destroy some of the ozone in the ozone layer. This is called ozone depletion. The ozone hole is a related but different phenomenon.
Effects:
Earth's surface receives more UltraViolet-B, as ozone is the only gas currently in our atmosphere that absorbs UltraViolet-B. UltraViolet-B is also absorbed by soil, meters depth of water, and directly by the DNA of all surface life. DNA absorbing UltraViolet-B ends up increasing rates of cancer, mutation, and decreases crop yields. UltraViolet-B also causes cataracts to form in eye structures in animals (including Man).
What else can I help you with?
What are the consequences of increasing ozone depletion?
See "What are the causes and effects of ozone layer depletion?"
What causes and effects of ozone layer depletion?
Ozone depletion is caused by CFC's. They react with ozone to deplete it.
What is the causes and effect of depletion in the ozone layer?
Depletion of ozone has many causes and effects. The UV entering is the main.
What is the signifigance of the loss of ozone from the stratosphere?
See "What are the causes and effects of ozone layer depletion?"
What are some of the effects of the depletion of the ozone layer?
Ozone depletion causes UV rays to enter. These can damage life on earth.
How do you protect ourselves from harmful effects of ozone layer depletion?
Ozone layer depletion causes UV to enter. We must protect ourselves from its harmful actions.
What are the ill effects of ozone layer depletion?
Ozone depletion causes skin cancer. It could also cause eye cataract.
What are the effects of global warming to the ozone layer?
Global warming is heating of earth. It causes ozone depletion.
Causes for ozone layer depletion?
Ozone depletion is caused by CFC's.
What are some effects of having the ozone layer depleted?
Ozone depletion causes skin cancer. It also causes eye cataract.
What are the effects of the ozone layer depletion on earth?
The ozone depletion causes the UV rays to enter the earth. They can cause various problems to life on earth.
What are the causes of the depletion on the ozone layer?
The ozone depletion causes skin cancer. It also causes eye cataract.
