Global warming and ozone layer depletion are two different problems see the sidebar misconceptions about global atmospheric change on page 95. Climate change, global warming, and ozone loss iitk. The success of ozone depletion as a social problem is used to examine and understand the relative failure of global warming. Difference between ozone depletion and global warming. Explain the causes and effects of ozone depletion, global warming and acid rain. Stratospheric cooling is a key factor in the development of ozone holes over the poles.
This table is adapted from the ipcc fifth assessment report, 2014 ar5i. Consensus study reports published by the national academies of sciences, engineering, and medicine document the evidencebased consensus on the studys statement of task by an authoring committee of experts. Publications about the ozone depletion theory of global. Ozone depletion and global warming are two major environmental concerns with serious implications for the future development of the refrigerationbased industries. Therefore, the economic activities of the human have resulted in depletion of the ozone layer and increasing the global warming on the earth and it accounts to 82% of the total ozone layer depletion and global warming desmet and rossihansberg 2015. See harrison 2000b, for more on the development of u. State the role of individual in overcoming these problems. The effects on the industry of the actions to reduce ozone depletion and global warming are now apparent. It was agreed on 16 september 1987, and entered into force on 1 january 1989. The ozonedepletion theory of global warming provides, for the first time, a clear, straightforward explanation for observations not easily explained by.
Ozone depletion we already have experienced a global environmental threat in the form of a thinning ozone layer, which serves as a warning that delaying action might do more damage than good. If these trends continue, they could have important implications for the climate of the 21st century. Ozone layer depletion fueled by falling temperature in the stratosphere can be termed as yet another hazardous effect of global warming on the earth. Global warming and ozone depletion flashcards quizlet. Ozone depletion over india with so much worry about the rapid ozone depletion taking place in various parts of the earth, indian scientists are closely monitoring the ozone layer over india for possible depletion trends. For ozone depletion, the halons are the most effective gases for equal mass amounts and hfcs cause no ozone depletion see q7. In the presence of uv light, these gases disassociate and release chlorine atoms. Air quality, global warming and ozone depletion compounds of specific interest linked to biogeochemical cycles isoprene oxygenated volatile organic compounds ovocs halocarbons ch 4 n 2 o. Due to global warming and green house effect most of the. The primary cause of ozone depletion is chlorinecontaining source gases. So if we make awareness among people we can sav e ozone layer from depletion, ecosystem imbalance, and o ther. Climate change is the greatest threat facing our planet today. Reads information and answers questions about the ozone hole and global warming.
Instead of looking back at the successful cfc phaseout, the u. Yes, with all things being equal, more co2 does add a very small amount of warming, but very little. Chapter ozone depletion potentials, global warming. The effects of ozone depletion and volcanic aerosols on climate. Ozone depletion and global warming are related concepts but certainly not the same. Reports typically include findings, conclusions, and recommendations based on information gathered by the committee and the committees deliberations. Sims highlights the misgivings the south had about the possibility that the ozone problem would be globalized by the north and would adversely affect the south. Completes flow charts which illustrate issues affecting antarctica. Is global warming just a myth like the ozone layer depletion. Ozone is formed by the effect of ultraviolet radiation on oxygen molecules and there are a layer of ozone. Environmental politics climate change and knowledge.
Understanding that global warming is caused by ozone depletion, not greenhouse gases, has major implications for investments in energy. Ozone layer depletion and global warming myassignmenthelp. 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 there is widespread scientific interest in better regulation of climate change, ozone depletion and air pollution, as. Global warming, as we will discuss below, is a different and a bigger problem, but scientists have already come together to measure, understand the causes of. The treaty is structured around several groups of halogenated hydrocarbonsthat deplete stratospheric ozone. Pdf ozone depletiona warning of global warming researchgate. Ozone o 3 depletion does not cause global warming, but both of these environmental problems have a common cause. The gases that are released contain chlorine and bromine. Global warming is caused by the greenhouse effect, which is essential to life as we know it on planet earth.
The odps of cfc11 and cfc12, and the gwp of co 2 all are assigned a value of 1. Peter ward publications about the ozone depletion theory of global warming i have written many papers explaining what is wrong with greenhousewarming theory and how ozone depletion theory explains global warming since 1970 and throughout all of earth history far more accurately and in far greater detail than. Ozone depletion and global warming pdf gistic interactions between stratospheric ozone depletion and greenhouse warming are possible. It is estimated that if rocket launches will be let unregulated then it would cause huge ozone loss by the year 2050 than the cfcs have done 1. Protecting the ozone layer and reducing global warming undp. The ar5 values are the most recent, but the second assessment report 1995 and fourth.
Another important linkage involves the way that ozonedepleting substances and greenhouse gases alter certain processes in the atmosphere so as to enhance both global warming and stratospheric ozone depletion. Manmade global warming is the largest scientific fraud ever, based on a single grain of fact out of a beach full of sand. Climate change and ozone depletion the atmospheric concentrations of the key greenhouse gas ghgs, co 2, ch 4 and n 2o, have been increasing since preindustrial times and their possible impact on the climate is continuing to be studied 1, 2. Another misconception is that ozone layer depletion causes global warming by letting in extra solar radiation. This idea connects two issues global warming and depletion of ozone in the upper atmosphere inappropriately, which diverts attention from the main cause of global warming. Global warming is caused by ozone depletion, not greenhouse gases. The use of cfcs not only destroys the ozone layer but also leads to global warming. These interactions may be responsible for the pronounced. Pdf causes of ozone layer depletion and its effects on.
Ozone oracle form 9i tutorial pdf depletion and climate change, or ozone hole and global warming in. Ozone depletion, greenhouse gases, and climate change. The ozone hole and global warming union of concerned. They are exposed to the air and transported by wind. These interactions may be responsible for the pronounced changes in tropospheric and stratospheric climate observed during the past few decades. Global warming potentials provide a simple rep resentation of the relative radiative forcing resulting from a unit mass emission of a greenhouse gas compared to a. Global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars. Global warming and ozone depletion are two global issues which need to address for betterment of human beings. As you may know, we decline a substantial proportion of manuscripts without sending them to referees, so that they may be sent elsewhere without delay. In this paper we will attempt to examine the relationship between global warming and ozone layer depletion, subsequently try to look at the possible solutions.
Ozone depletion facts and information national geographic. How is global warming related to ozone layer depletion. Layer and the global climate system, ipccteap, cambridge university press. Ozone layer depletion causes of ozone layer depletion the main cause of ozone depletion is the accumulation of various pollutants in the atmosphere e. When the ozone layer is depleted either by humanmanufactured cfcs b or by chlorine and bromine emitted by volcanic eruptions c, more ultravioletb sunlight than normal reaches the ocean, warming earth. Ozone depletion refers to the thinning and loss of ozone whereas global warming refers to the widespread warming of average temperatures across the globe the ozone layer allows some energy in and some energy out. Pdf the success of ozone depletion as a social problem is used to examine and understand the relative failure of global warming. In other words, global warming can make ozone depletion much worse right when it is supposed to.
What is the difference between ozone depletion and global. If there are holes, then ultraviolet rays from the sun will pass through, which is dangerous for people and animals. The chlorine atoms then go on to combine with oxygen in ozone and catalyse ozone layer destruction. Ozone depletion and global warming linkedin slideshare. Ozone layer is a thin protective layer in the atmosphere of the earth which keeps ultraviolet rays away from earth and keeps us safe from the harmful effects of uv rays. Can ozone depletion and global warming interact to produce. Climate is the average weather at a given point and time of year, over a long period typically 30 years. When large, explosive vol both the onset of rapid warming by 1970 and the. Pdf there are many situations where human activities have significant effects on the environment. Global warming global warming also leads to ozone layer depletion. All of the ozone depleting substances controlled by. The key variable controlling ozone depletion is stratospheric chlorine loading. Ozone depletion is usually worse further from the equator.
The ozone hole and global warming are not the same thing, and neither is the main cause of the other. For climate change, all gases make a contribution, with. These are two environmental conditions which are faced by the world today. Chapter ozone depletion ozone depletion global warming. The ozone protects us from uvb rays, which can be very harmful these are the rays that cause skin cancer. The ozone hole is an area in the stratosphere above antarctica where chlorine and bromine gases from humanproduced chlorofluorocarbons cfcs and halons have destroyed ozone molecules. Ozone layer and green house eefect, global warming. Causes of ozone depletion ozone is the layer of colourless gas formed by the ultravilot radiation on oxygen found in the upper atmosphere of the earth in the stratosphere that prevents the ultravilot radiations coming from the son to reach earth and thus prevents the life on earth. Evs global warming, ozone depletion ppt ozone depletion. Causes of ozone layer depletion and its effects on human. Although it may appear to contradict the intuitive view of the greenhouse effect, when the. Starting with the aborted hot crisis of the greenhouse summer of. Global warming potential values the following table includes the 100year time horizon global warming potentials gwp relative to co2. Ozone depletion is when the constant release of manmade gases such as factories and car exhaust cause holes in the ozone layer.