Global warming and ozone depletion flashcards quizlet. The protective benefit of stratospheric ozone outweighs its contribution to the greenhouse effect and to global warming. The ozone hole and global warming union of concerned scientists. With this global warming powerpoint presentation discussed about global warming,global warming effects on the world,global warming causes and global warming solution. The hole in our sky 7 things i suggest you can do to help ozone hole heal.
Id like to know if there are any people here that think that the hole in the ozone layer and global warming are connected other than they are both caused by man or if they think the two are the same problem. Ozone depletion and climate change, or ozone hole and global warming in more popular terms, are environmental challenges whose connections have been explored and which have been compared and contrasted, for example in terms of global regulation, in various studies and books. Basic concepts of global warming include climatology. Introduction about ozone depletion causes of ozone depletion effects of ozone depletion solutions in tackling ozone depletion about global warming about greenhouse effect sources of greenhouse gases effects of global warming. Ozone layer the ozone layer is the layer of the upper atmosphere. Atmosphere and climate greenhouse gases, global warming and the ozone layer we can prepare for the harmful effects of climate change reduce greenhouse gas emissions. The word ozone means smelly in greek because the gas has a strong odor. Ozone depletion, greenhouse gases, and climate change the. A power point presentation on oz one depletion kriace ward.
She had just been looking at the record of average surface temperatures of the earth. The stratospheric ozone layer, through absorption of solar ultraviolet radiation, protects all biological systems on earth. Indeed, the montreal protocol, while motivated by safeguarding the ozone layer, also reduced global warming that would otherwise have occurred with about five times the equivalent greenhouse gas. The ozone layer protects every living thing from uv rays. Ozone exists within both the tropospheric and stratospheric zones of the earths atmosphere in the troposphere, ground level ozone is a major air pollutant and primary constituent of photochemical smog in the stratosphere, the ozone layer is an essential protector of life on earth as it absorbs harmful uv radiation before it reaches the earth. The troposphere has a thick layer of carbon dioxide and this layer. This news has motivated the european community to become the most vocal proponent of further actions to protect the ozone layer. With this global warming powerpoint presentation discussed about global warming, global warming effects on the world, global warming causes and global warming solution. This free powerpoint template helps you to grasp the attention of your viewers towards the importance, effects and causes of ozone layer depletion. Ozone layer depletion causes, effects and solutions 7. All of us are aware of how the concern related to depletion of ozone layer and the ozone hole, which also led to the ban of many chemicals such as the chlorofluorocarbon cfc. Powerpoint is the worlds most popular presentation software which can let you create professional depletion of ozone layer powerpoint presentation easily and in no time. Current news and data streams about global warming and climate change from nasa. Free download global warming powerpoint presentation with.
Ozone layer depletion has been one of the major concern for the scientists of the world. If there are holes, then ultraviolet rays from the. Project report on ozone depletion environmental pollution. The disposure of conventional refrigeration methods is also a concern to environmentalists as the chemicals result in ozone depletion and global warming 2. The ozone layer what is it the ozone layer is a thick layer in the earths stratosphere that protects the earth from harmful ultraviolet rays omitting from the sun. Come browse our large digital warehouse of free sample essays. Get the knowledge you need in order to pass your classes and more. The ozone hole is an area in the stratosphere above antarctica.
Download a pdf of ozone depletion, greenhouse gases, and climate change by the national research council for free. In response to concerns over the depletion of the global ozone layer, the clean air act, as amended in 1990, mandates nasa and noaa to monitor stratospheric ozone and ozonedepleting substances. The ozone layer is not a static layer of a longlived gas, it is a region of the atmosphere where ozone is continually created and destroyed. The ozone hole is an area in the stratosphere above antarctica where chlorine and bromine gases from humanproduced chlorofluorocarbons. Why global mean surface temperatures began to rise around 1970 after having been relatively constant since 1945. Global warming is caused by the greenhouse effect, which is essential to life as we know it on planet earth. Learn all about global warming and ozone layer, find out why are we. So when you save energy, you fight global warming and save money, too. Global warming can be defined as heating of earth because of increase in. This is a presentation regarding some of those little threats our earth is going throughthe presentation is made interesting with a wide range. Ozone depletion reasons, impacts, prevention by reshma. This helps you give your presentation on depletion of ozone layer in a conference, a school lecture, a business proposal, in a webinar and business and professional.
Unfortunately, this gives them plenty of time to find their way to the ozone layer. Ozone layer depletion fueled by falling temperature in the stratosphere can be termed as yet another hazardous effect of global warming on the earth. Depletion of o3 can increase uv radiation entering earth surface. The troposphere has a thick layer of carbon dioxide and this layer of carbon dioxide serves as a. A power point presentation on ozone depletion kriace ward. The use of cfcs not only destroys the ozone layer but also leads to global warming. Cfcs, hcfcs, halons, methyl bromide, carbon tetrachloride, and methyl. View and download powerpoint presentations on depletion of ozone layer ppt.
Due to global warming and green house effect most of the heat is trapped in troposphere which is the layer below the stratosphere. There is also evidence that ozone depletion is masking global warming, because ozone depletion cools the stratosphere even though the earths surface temperatures are higher than historic averages. Global warming global warming also leads to ozone layer depletion. Global warming and ozone layer depletion are two different problems see the sidebar misconceptions about global atmospheric change on page 95. The year 1998 was the warmest since reliable temperature records have.
Although global warming and ozone depletion are caused by different gases, scientists have shown that a warming planet may change how the stratosphereand, therefore. Without the ozone layer, it would be difficult for anything to survive. Read this essay on global warming and the ozone layer. The carbon cycle, the environment, alternative fuels. Ozone is a gas made up of three oxygen atoms o3 much like the layer of butter that settles on top if a glass of buttermilk is left unattended for a. Global warming ppt sem4 greenhouse effect global warming. Protecting the ozone layer and reducing global warming undp.
And therefore it is said that global warming, even though not directly, does play significant role in the depletion of the ozone layer. Let us see the major effects of ozone layer depletion on man and environment. Your use of informatics have surely made the presentation interesting. A greenhouse or a farm house is a very big enclosure for the plants in a farm to save them from an extremely cold temperature in winter. There is widespread scientific interest in better regulation of. How is global warming related to ozone layer depletion. The earths ozone layer, is an upper layer of the earths atmosphere that plays a critical role in global warming as it contains a high concentration of ozone gas that absorbs potentially harmful ultraviolet radiation. In 2011, even though global cfcs were in decline, arctic ozone fell to a historic low level due to unusual weather that allowed for greater than usual chemical ozone destruction. The depletion of ozone layer has harmful effects on the environment.
Ozone layer depletion is one of the most serious problems faced by our planet earth. The humans will be directly exposed to the harmful ultraviolet radiations of the sun due to the depletion of. It is located from about 8 to 30 miles above the earth. Ozone and environment ozone o3 a gas composed of three atoms of oxygen bluish gas that is harmful to breathe nearly 90% of the earths ozone is in the stratosphere and is referred to as the ozone layer ozone absorbs a band of ultraviolet radiation called uvb ozonedepleting substances ods. Ozone is a colourless gas which is found in the stratosphere of our upper atmosphere. The ozone layer is not really a layer at all, but has become known as such because most ozone particles are scattered between 19 and 30 kilometers 12 to 30 miles up in the earths atmosphere, in a region called the stratosphere. Ozone layer depletion causes, effects and solutions. Now, you can easily use our professionally predesigned ozone layer depletion powerpoint template to cover it all and serve information to your intended audience. The use of cfcs not only destroys the ozone layer but also leads to. Find powerpoint presentations and slides using the power of, find free presentations research about depletion of ozone layer ppt. The ozone hole and global warming are not the same thing, and neither is the main cause of the other.
Learn what cfcs are, how they have contributed to the ozone hole, and how the 1989 montreal. Atmospheric temperature decreases with altitude in the troposphere and increases with altitude in the stratosphere. Cfc molecules are highly stable and can last for up to 100 years. Quantifying contributions of chlorofluorocarbon banks to. Global warming ppt sem4 free download as powerpoint presentation. The increase in the earths temperature whether natural or induced by human activity is defined as global warming. The ozonedepletion theory of global warming provides, for the first time, a clear, straightforward explanation for observations not easily explained by greenhousegas theory. Global warming, green house effect, ozone layer video for kids. Ozone gas is perceptibly blue in colour and has a characteristic pungent smell.
Chemistry climate change effects ecosystem global warming ozone ozone layer. It is also one of the prime reasons which are leading to global warming. Ppt global climate change and ozone depletion powerpoint. Ozone layer depletion powerpoint template sketchbubble. The condition of the ozone layer is a heated topic in such conversations. Ozone occurs naturally at higher elevations in the atmosphere the stratosphere where it forms a layer that blocks ultraviolet uv light, which is harmful to plant and animal life, from reaching the earths surface.
Causes of ozone layer depletion and its effects on human. The greenhouse is covered with a kind of plastic walls which permits all radiations from the sun. A free powerpoint ppt presentation displayed as a flash slide show on. Near the ground, ozone forming as a result of chemical reactions involving traffic pollution and sunlight may cause a number of respiratory problems, particularly for young children. Ppt ozone layer depletion authorstream presentation. One chlorine molecule from a cfc can destroy up to 100,000 ozone molecules. Scribd is the worlds largest social reading and publishing site. The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the. Ppt greenhouse gases, global warming and the ozone layer.
Evs global warming, ozone depletion ppt free download as powerpoint presentation. An overview and definitions of global warming and climate. Ozone o3 depletion does not cause global warming, but both of these environmental problems have a common cause. The concentration of ozone in the ozone layer is usually under 10 parts ozone per million 5. Ozone layer depletion cause, effects, and solutions. Global warming is caused by ozone depletion, not greenhouse. The biggest cause of global warming is the carbon dioxide released when fossil fuels such as oil and coal are burned for energy. The primary cause of global warming is ozone depletion. This global warming ppt presentation for students,presenters,educationist and others available for free download global warming ppt presentation.
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