what damages the ozone layer
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What is Ozone Layer? Man-made causes of depletion of ozone layer: The main cause for the depletion of ozone is determined as excessive release of chlorine and bromine from man-made compounds such as chlorofluorocarbons (CFCs).
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Global Warming FAQ These gases, through several chemical reactions, cause the ozone molecules to break down, reducing ozone's ultraviolet (UV) radiation-absorbing capacity. Because our atmosphere is one connected system, it is not surprising that ozone depletion and global warming are related in other ways.For example, evidence suggests that climate change may contribute to thinning of the protective ozone layer. Figure 1. Seasonal thinning of the ozone layer above Antarctica.eople, plants, and animals living under the ozone hole are harmed by the solar radiation now reaching the Earth's surface—where it causes health problems from eye damage to skin cancer. The ozone hole, however, is not the mechanism of global warming.
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- The stratospheric ozone layer absorbs most of the harmful ultraviolet B (UVB) radiation (shortwave UV rays measuring 280-315 nanometers, or nm) emitted by the sun.
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COPD (Chronic Obstructive Pulmonary Disease) What are some of the health effects from exposure to ozone? Ozone is very harmful to the lungs. Exposure to ozone can make breathing difficult, inflame the lungs and lining of the respiratory tract, lead to permanent lung damage, and make it harder for the body to fight respiratory diseases. Symptoms to watch for include coughing, shortness of breath, and chest tightness/chest pain.
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Is Ozone Good or Bad? Ninety percent of Earth's ozone is found in the stratosphere (the second layer of the Earth's atmosphere, just above the one in which we dwell, the troposphere). This ozone forms the ozone layer, which shields everything on the planet's surface from the sun's harmful ultraviolet rays.But when ozone forms at the surface (when pollution from cars reacts with UV rays), it is a pollutant itself, and can damage forests, crops and can irritate human lungs.his ozone forms the ozone layer, which shields everything on the planet's surface from the sun's harmful ultraviolet rays. But when ozone forms at the surface (when pollution from cars reacts with UV rays), it is a pollutant itself, and can damage forests, crops and can irritate human lungs.
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Why is the tropospheric ozone harmful? Ozone occurs in two layers of the atmosphere. The layer closest to the Earth's surface is the troposphere. Here, ground-level or bad ozone is an air pollutant that is harmful to breathe and it damages crops, trees and other vegetation.
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- Ozone absorbs UV-B, which would otherwise damage our DNA, and the DNA of all surface dwellers on Earth (including phytoplankton in the oceans). This absorption of UV-B or more energetic light breaks the ozone down into an oxygen molecule and a single oxygen atom.here is also ozone in the lower troposphere, but the ozone layer in the stratosphere contains helpful ozone that blocks much of the ultraviolet radi … ation. Without this layer, life on earth would be very difficult.
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Ozone layer Concerns that increased UV radiation due to ozone depletion threatened life on Earth led to bans on the chemicals, and the latest evidence is that ozone depletion has slowed or stopped. The United Nations General Assembly has designated September 16 as the International Day for the Preservation of the Ozone Layer.
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ozone hole Although the full effect of increased ozone depletion is not yet known, the amount of ultraviolet radiation the Earth receives is greatly increased by ozone depletion, creating a heightened risk of skin cancers and likely contributing to global warming.
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How Does Car Pollution Affect the Environment & Ozone Layer? Effects on the Ozone Layer. The ozone layer helps to protect life on earth from the sun’s ultraviolet rays, but human activities have contributed to the accelerated depletion of this protective shield.he ozone layer helps to protect life on earth from the sun’s ultraviolet rays, but human activities have contributed to the accelerated depletion of this protective shield.
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- Chlorofluorcarbons. Introduction. Man-made CFCs are the main cause of stratospheric ozone depletion. CFCs have a lifetime of about 20 to 100 years, and consequently one free chlorine atom from a CFC molecule can do a lot of damage, destroying ozone molecules for a long time.
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- UV-A is the least damaging (longest wavelength) form of UV radiation and reaches the Earth in greatest quantity. Most UV-A rays pass right through the ozone layer in the stratosphere. UV-B radiation can be very harmful. Fortunately, most of the sun's UV-B radiation is absorbed by ozone in the stratosphere. UV-C radiation is potentially the most damaging because it is very energetic. Fortunately, all UV-C is absorbed by oxygen and ozone in the stratosphere and never reaches the Earth's surface.
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- The ozone layer is a deep layer in the stratosphere, encircling the Earth, that has large amounts of ozone in it. The layer shields the entire Earth from much of the harmful ultraviolet radiation that comes from the sun.he ozone layer became more widely appreciated by the public when it was realized that certain chemicals mankind manufactures, called chloroflurocarbons, find their way up into the stratosphere where, through a complex series of chemical reactions, they destroy some of the ozone.
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How is Ozone formed? Stratospheric ozone is good ozone. It forms about 10-30 miles above the Earth's surface and forms a protective layer, called the ozone layer, that shields us from too much of the sun's harmful ultraviolet radiation (UV). Ground-level ozone is bad ozone. Ozone harms human health and the environment when it forms close to the ground. The most significant things that cause ground-level ozone to form are: 1  NO X and VOCs (from mobile source emissions and industrial processes), 2  UV radiation (from sunlight).
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What is the function of ozone in the atmosphere? phantom is right on most of what he says , The ozone layer also protects harmful rays from entering the earth. Since the ozone layer is being destroyed by pollution, it doesnt stop these harmful rays from entering the earth, and oxygen is escaping the earth. It also affects global warming .
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Ozone layer Most of the remaining ozone occurs in the troposphere, the layer of the atmosphere that extends from Earth’s surface up to the stratosphere. Near-surface ozone often results from interactions between certain pollutants (such as nitrogen oxides and volatile organic compounds), strong sunlight, and hot weather.
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How does the ozone protect earth? The Ozone layer protects us from the harmful ultraviolet radiations of the sun which can cause serious damage to the human life causing eye cataract, skin cancer and depressed immune system. Basically UV-rays.
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- In the past 60 years or so human activity has contributed to the deterioration of the ozone layer. Only 10 or less of every million molecules of air are ozone. The majority of these ozone molecules resides in a layer between 10 and 40 kilometers (6 and 25 miles) above the Earth's surface in the stratosphere.
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- We are glad to have the ozone layer in the stratosphere removing these wavelengths of radiant energy, because these wavelengths can cause problems, including skin aging, skin cancer, and crop failure.Because O 2 does not remove this radiation, it is extremely important that the ozone layer be preserved.e are glad to have the ozone layer in the stratosphere removing these wavelengths of radiant energy, because these wavelengths can cause problems, including skin aging, skin cancer, and crop failure.
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Ozone depletion The main cause of ozone depletion and the ozone hole is man-made chemicals, especially man-made halocarbon refrigerants, solvents, propellants, and foam-blowing agents (chlorofluorocarbon (CFCs), HCFCs, halons), referred to as ozone-depleting substances (ODS).
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Global Warming FAQ These gases, through several chemical reactions, cause the ozone molecules to break down, reducing ozone's ultraviolet (UV) radiation-absorbing capacity. Because our atmosphere is one connected system, it is not surprising that ozone depletion and global warming are related in other ways.For example, evidence suggests that climate change may contribute to thinning of the protective ozone layer. Figure 1. Seasonal thinning of the ozone layer above Antarctica.he ozone hole, however, is not the mechanism of global warming. Ultraviolet radiation represents less than one percent of the energy from the sun—not enough to be the cause of the excess heat from human activities.
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- Although volcanic gases do not play a direct role in destroying ozone they may play a harmful indirect role. Scientists have found that particles, or aerosols, produced by major volcanic eruptions accelerate ozone destruction.
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- Air pollution leads to ozone pollution and acid rain. CFC compounds, used in aerosol sprays prior to 1995, destroy the ozone layer. Ozone pollution can cause damage to human respiratory tracts. Ozone can damage the vascular system of plants. Car emissions may contribute to ozone pollution. The burning of fossil fuels increases the ground-level amount of ozone-creating volatile organic compounds (VOCs).
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Ozone: The Good and Bad of Ozone Each of those oxygen atoms then binds with an oxygen molecule to form an ozone molecule. Depletion of stratospheric ozone poses serious health risks for humans and environmental hazards for the planet, and many nations have banned or limited the use of chemicals, including CFC, that contribute to ozone depletion. The Origin of Bad Ozone. Ozone is also found much nearer the ground, in the troposphere, the lowest level of Earth’s atmosphere. Unlike the ozone that occurs naturally in the stratosphere, tropospheric ozone is man-made, an indirect result of air pollution created by ...