Question: What are the effects of ozone depletion on human health?

Ozone layer depletion causes increased UV radiation levels at the Earths surface, which is damaging to human health. Negative effects include increases in certain types of skin cancers, eye cataracts and immune deficiency disorders.

What are the reason of ozone depletion?

Ozone depletion occurs when chlorofluorocarbons (CFCs) and halons—gases formerly found in aerosol spray cans and refrigerants—are released into the atmosphere (see details below).

What does ozone depletion cause?

Depletion of this layer by ozone depleting substances (ODS) will lead to higher UVB levels, which in turn will cause increased skin cancers and cataracts and potential damage to some marine organisms, plants, and plastics.

What is ozone and its importance?

The importance of ozone is defined by the fact that it protects the earth from harmful ultraviolet rays from the sun. The ozone layer is found in the upper regions of the stratosphere where it protects the earth from the harmful ultraviolet rays of the sun. These radiations can cause skin cancer in humans.

How does ozone depletion happen?

Ozone Depletion. When chlorine and bromine atoms come into contact with ozone in the stratosphere, they destroy ozone molecules. One chlorine atom can destroy over 100,000 ozone molecules before it is removed from the stratosphere. When they break down, they release chlorine or bromine atoms, which then deplete ozone.

Is ozone a greenhouse gas?

Ozone is technically a greenhouse gas, but ozone is helpful or harmful depending on where it is found in the earths atmosphere. The protective benefit of stratospheric ozone outweighs its contribution to the greenhouse effect and to global warming. ...

Why the ozone hole is over Antarctica?

In the Southern Hemisphere, the South Pole is part of avery large land mass (Antarctica) that is completely surrounded by ocean. This chlorine and bromine activation then leads to rapid ozone loss when sunlight returns to Antarctica in September and October of each year, which then results in the Antarctic ozone hole.

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