However, reliance on technology should not be our only strategy, and adaptation to. Evidence for global warming, ozone depletion is sparse. Ozone depletion and global warming are two major environmental concerns with serious implications for the future development of the refrigerationbased industries. The key difference between ozone depletion and global warming is that ozone depletion is the decrease in the thickness of the ozone layer, whereas global warming is the increase of heat in the atmosphere ozone depletion and global warming are two major environmental concerns the worlds population face today. Stratospheric ozone depletion leads to surface cooling, while the observed increases in tropospheric ozone and other greenhouse gases lead to surface warming. The accumulation in the earths atmosphere of these gases is mainly the result of the gargantuan consumption of the developed countries, particularly the united states.
Not all chemicals that cause ozone layer depletion are. Stratospheric ozone depletion and ghg warming may both be producing increased meridional temperature gradients in the extratropical lower stratosphere and upper troposphere, and thus acting synergistically to produce surprisingly large trends in both surface and stratospheric climate. Global warming is the ongoing rise of the average temperature of the earths climate system. A new global climate change agreement is due to be adopted in paris in december 2015.
Ozone is technically a greenhouse gas, but ozone is helpful or harmful depending on where it is found in the earths atmosphere. Estimates of ozone depletion and skin cancer incidence to examine the vienna convention achievements. Ozone depletion and global warming linkedin slideshare. When the ozone layer is depleted, more ultravioletb radiation than usual reaches earth, increasing our risk of sunburn and skin cancer and warming earth. Ozone layer depletion fueled by falling temperature in the stratosphere can be termed as yet another hazardous effect of global warming on the earth. Climate change and human health risks and responses. Apr 01, 2000 ozone depletion may also make it harder to combat global warming, because more uv light penetrates the worlds oceans and destroys plankton. Fighting climate change together european commission. 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. Ozone depletion and climate change have usually been thought of as environmental issues with little in common other than their global scope. Evs global warming, ozone depletion ppt ozone depletion. In spite of this small amount, ozone plays a vital role in the atmosphere. The global primary energy demand is anticipated to increase exponentially owing to reasons such. Changes in ozone and climate are directly linked because ozone absorbs solar radiation and is also a greenhouse gas.
Linde strongly advocates the use of refrigerant gases with zero ozone depletion potential and fully supports the phase out of hcfcs. Protecting the ozone layer department of the environment. Since the protocol was signed, it has become apparent that ozone depletion is a much more serious problem. Energy of electromagnetic radiation is the planck constant times frequency. Ozone is very rare in our atmosphere, averaging about three molecules of ozone for every 10 million air molecules. Both caused by chemicals released by human activities. Patz, md, mph department of environmental health sciences johns hopkins school of hygiene and public health 615 n.
Some of the news you may have heard polar bears are losing. 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. A molecule containing three atoms of oxygen is called ozone. The ozone hole and global warming are not the same thing, and neither is the main cause of the other. Even with the stipulation met, ozone depletion will result in 5% to 20% more ultraviolet radiation reaching the earth in the next 40 years. Discovery of global warming files formatted for printing pdf. Purchase the right air conditioner for your home before you buy an air conditioner think about how you can reduce the use of air. Publications about the ozone depletion theory of global warming. The physics of global warming ozone depletion theory. Global warming the effects of carbon dioxide, methane and. Find out what caused the ozone hole, and how the 1989 montreal protocol sought to put an end to ozone depletion.
Ozone depletion reasons, impacts, prevention by reshma. The effects on the industry of the actions to reduce ozone depletion and global warming are now apparent. Global warming is caused by ozone depletion, not greenhouse gases. Not all chemicals that cause ozone layer depletion are covered by the protocol. 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. Global warming refers to the rise in global temperatures due mainly to the increasing concentrations of greenhouse gases in the atmosphere. Adapted for a new generation, al gore a downtoearth guide to global warming, laurie david and cambria gordon how do we know what we know about our changing climate.
File a gsthst return netfile make a payment to the canada. The evolution of ozone layer depletion, its impact on. Protecting the ozone layer and reducing global warming undp. Tthe ozone hole and global he ozone hole and global global. The regression with the surface pattern bears a strong resemblance to the leading mode of variability of the stratospheric polar vortex 15, 16. Choose from 500 different sets of climate and climate change ozone depletion flashcards on quizlet.
Global warming hardcover january 1, 2008 by shagoon tabin author see all formats and editions hide other formats and editions. Evidence for global warming, ozone depletion is sparse and. 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. If we stop destroying the ozone layer it will be able to slowly repair itself over time. An introduction to global warming for students in grades 68. Linde also advocates the use of lower global warming potential gases when they contribute to an overall reduction in the carbon footprint of refrigeration systems. It is a complex issue full of uncertainties and controversies.
Ozone depletion we already have experienced a global environmental threat in the form of a thinning ozone. In one basin in glacier national park in montana, for instance, twothirds of the ice has dis. The combustion of methane results in the production of h2o and co2 most methane is produced through methanogenesis which is the process used by microorganisms to produce energy. The reuse policy of european commission documents is regulated by decision 2011833eu oj l. Another misconception is that ozone layer depletion causes global warming by letting in extra solar radiation. The ozone layer acts as a giant sunshade, protecting plants and animals from much of the suns harmful ultraviolet radiations. The ozone hole is an area in the stratosphere above antarctica. Understanding both these phenomena are important for the survival of life on.
Global warming this term refers to the general increase in the earths average temperature caused by the presence of greenhouse gases in the atmosphere, which causes changes in climate patterns across the globe. Free, but needed to view pdf files download individual essays as of jan. Global warming is caused by ozone depletion, not greenhouse gases november 18th, 2014. Ozone depletion has largely been controlled through operative pediatric urology pdf the montreal. Evidence for global warming, ozone depletion is sparse and questionable by dr. The use of cfcs not only destroys the ozone layer but. The ozone layer helps to protect life from harmful ultraviolet radiation. Therefore necessary measures must be taken under the montreal and kyoto protocol provisions to reduce the emission of ods and other green house gases in order to save the planet from consequences of further warming effects on human. The only way we can stop global warming is by polluting the earth as little as we can. Ozone forms a layer in the stratosphere, 1540 km above the earth surface. How is global warming related to ozone layer depletion. Climate change is concerned with how carbon dioxide, methane, and. Cfc11 has a gwp, over 100 years, of 4,250, hcfc141b has a gwp of 725, hfcs have a gwp of up to 1,640 and pentane has a gwp of below 5.
The more heat the gas traps, the bigger its potential to contribute to global warming. 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. Draft not for citation public health effects of global climate change and ozone depletion. Global warming, pollution supersize the oceans oxygen. If the global warming trend continues, the results could be depressing indeed. This article discusses amongst cause of global warming and consequences of. Ozone layer depletion and global warming by mudabber. 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. Ozone depletion and climate change, or ozone hole and global warming in.
The relationship of surface to stratospheric expressions of the nam can be seen by comparing the nam slp pattern with its regression onto the 50hpa height field during winter fig. In almost every mountainous region across the world, glaciers are retreating in response to the warming climate. 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. The darkness and global cooling predicted to result from nuclear war along with massive radioactive fallout, pyrotoxins, and ozone depletion was first described in 1983 as nuclear winter. Can ozone depletion and global warming interact to produce. Ray is a marine biologist, former chairman of the atomic energy commission, and former governor of washington state. Climate change is the greatest threat facing our planet today. Global warming is melting glaciers in every region of the world, putting millions of people at risk from floods, droughts and lack of drinking water. The ozone hole and global warming union of concerned. Ozone depletion and global warming potential of thermal. Apr 18, 2019 the ozone layer helps to protect life from harmful ultraviolet radiation. The way forward on global warming environment america. As much as global warming is quite different from ozone depletion, it is global warming that actually encourages ozone depletion.
Proceedings of the national academy of sciences usa, apr 8, vol. When the amount of ozone is reduced depleted, more of this sunburning, cancercausing radiation reaches earth, cooling the. Long in the forefront of international efforts to tackle climate change, the european union is. In other words, global warming can make ozone depletion much worse right when it is supposed to begin its recovery during the next centu ry. Electromagnetic radiation travels as a broad spectrum of frequencies, not as waves, nor particles. Summary history of climate change science history in hypertext basic data. If these trends continue, they could have important implications for the climate of the 21st century. With ozone depletion exacerbating the rate of global warming while climate change continues to deplete the ozone. Mar 23, 20 ozone layer depletion and global warming ozone layer depletion and global warming. Ozone depletion and climate change have usually been thought of as. The atmosphere and oceans have warmed, accompanied by sealevel rise, a. Global warming is caused by the greenhouse effect, which is essential to life as we know it on planet earth.
The shrinkage of glaciers is already creating water shortages, and threatening tourism in scenic parks. We can each do our part, but for global warming to stop progressing, we have to work together. Instead of looking back at the successful cfc phaseout, the u. Blowing agents used in the manufacture of pir insulation products, such as cfcs hcfcs and hfcs, can accelerate climate change and ozone depletion if they are released into the atmosphere. The climate system involves the atmosphere specifically processes within. These interactions may be responsible for the pronounced changes in tropospheric and stratospheric climate observed during the past few decades. Difference between ozone depletion and global warming. Plankton plays a pivotal role in the ability of oceans to draw carbon dioxide the primary global warming chemical from the atmosphere, thereby making oceans along with rainforests important carbon.
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. How do co2, ch4 and h2o contribute to global warming. The wri report is entirely designed to blame developing countries for sharing the responsibility for global warming. This clearly underlines that drastic action is affordable and further delays might prove to be very costly both in environmental and economic terms. What is the difference between global warming and climate change. Scientists and kids explore global warming, lynne cherry fight global warming now.
Publications about the ozone depletion theory of global. Climate is the average weather at a given point and time of year, over a long period typically 30 years. Ozone depletion being a direct result of global warming will also contribute to the increase of global warming as its depletion will lead to further damage of the system that should reduce global warming. Geological survey retired, jackson, wyoming, usa corresponding author. The ozone layer, 12 to 19 miles above earth, protects life on earth by absorbing harmful solar ultraviolet radiation. The technology and knowledge is in place to deal with global warming and avoid the worst effects. They are so important and so powerful on earth that just one eruption from a. Ozone depletion itself is not the principal cause of global climate change. Spectrometer toms multimedia files that show the history of the ozone hole. Ozone o 3 depletion does not cause global warming, but both of these environmental problems have a common cause. So if we make awareness among people we can sav e ozone layer from depletion, ecosystem imbalance, and o ther. A gwp is calculated over a specific time interval, commonly 20, 100 or 500 years.
Deadly climate change from nuclear war nuclear files from. My account my business account represent a client file a. Ozone is a variant of oxygen, the ozone molecule having three atoms of oxygen. Plankton plays a pivotal role in the ability of oceans to draw carbon dioxide the primary global warming chemical from the atmosphere, thereby making oceans along with rainforests important carbon sinks. Global warming, in contrast, is not amenable to bridging metaphors and did not lend itself to a cultural whirlwind. Ozone depletion facts and information national geographic. Learn climate and climate change ozone depletion with free interactive flashcards. The use of cfcs not only destroys the ozone layer but also leads to global warming. A blowing agents impact on ozone depletion and climate change is characterised by its ozone depletion potential odp or global warming potential gwp. The ozone layer, more than 12 miles up in the atmosphere, is formed and heated by highenergy, ultraviolet radiation from the sun. Ozone depletion and global warming research paper 550 words. This article discusses amongst cause of global warming and consequences of global warming on the environment. Ozone depletion may also make it harder to combat global warming, because more uv light penetrates the worlds oceans and destroys plankton.
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