Critical topics in global warming fraser institute. Page 1 ventura county air pollution control district, ventura, ca effects of global warming lesson concepts. Whether the cause is natural or humandriven, global warming is a serious issue that everyone should be aware of. We are familiar with the most common form of oxygen, the form that we all breathe.
Solar activity it is widely recognized that variations in solar radiation and activities, such as solar flares or sunspots, if large enough, could have an impact on the global temperature. Global warming is the phenomenon of gradual increase in temperature near the earths surface. Modelling the impacts of global warming and ozone depletion. Discovery of global warming files formatted for printing pdf. 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. Global warming is caused by the greenhouse effect, which is essential to life as we know it on planet earth. An introduction to global warming for students in grades 68. It is critically important to determine whether this global warming is due to natural causes, as contended by climate contrarians, or by human activities, as argued by the intergovernmental panel on climate change. Come browse our large digital warehouse of free sample essays. Global warming and ozone depletion flashcards quizlet. 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 is like rigging the weather dice, making it more likely to get hot days. They will answer questions on this article and fill in a graphic organizer. This change has disturbed the climatic pattern of the earth. Find out what caused the ozone hole, and how the 1989 montreal protocol sought to put an end to 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. Although global warming and ozone depletion are caused by different gases, scientists have shown that a warming planet may change how the stratosphereand, therefore, the ozone layerworks. Learn all about global warming and ozone layer, find out why are we victims of global warming and what can we do to control the situation. Ozone depletion and global warming an integrated approach. Scientific indices representing the relative effects of different gases upon ozone depletion and climate forcing are presented. B e h i ndt the realization of r y h e o s global 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. The observed global warming since the preindustrial period.
She had just been looking at the record of average surface temperatures of the earth. Climate change, ozone depletion, and ultraviolet radiation. As a result, they are neglecting what might be the most effective strategy for reducing global warming in our lifetimes. The scientific guide to global warming skepticism is licensed under a creative commons attributionnoncommercial 3. Ozone is very rare in our atmosphere, averaging about three molecules of ozone for every 10 million air molecules. Chapter ozone depletion potentials, global warming. 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. 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. The ozone hole is an area in the stratosphere above antarctica. The term ozone hole refers to the depletion of the protective ozone layer in the upper atmosphere stratosphere over earths polar regions. Ozone layer depletion fueled by falling temperature in the stratosphere can be termed as yet another hazardous effect of global warming on the earth.
However, the concept of global warming is quite controversial. Students will read an article on one effect of climate change global warming in small groups. This phenomenon has been observed over the past one or two centuries. The increased life style of the humans is an important reason behind the depletion of ozone layer in the atmosphere brune 2015. This thesis examines global warming and the possible contribution that ozone. Measurements show that the earths globalaverage nearsurface temperature has increased by about 0. Its cold outside, so global warming must have stopped. Protecting the ozone layer and reducing global warming. Erosion of ozone layer and global warming 1 youtube. The ozone hole and global warming are not the same thing, and neither is the main cause of the other. This article discusses amongst cause of global warming and consequences of global warming on the environment. Global warming and carbon dioxide the environmental community rightly recognizes global warming as one of the gravest threats to.
Inversion layers can occur anywhere from close to ground level up to thousands of feet into the atmosphere. Protecting the ozone layer and reducing global warming results, case studies and lessons learned from. Supplementary analysis of the independent summary for policymakers l 1 l fraser institute introduction the issue of global warming is the subject of two parallel debates. Just a few years earlier, these very same climatologists had. This article discusses amongst cause of global warming and consequences of. Saving the ozone layer is warming the planet but it can be. In the stratosphere, ozone protects us from ultraviolet radiation, so it is beneficial to human health. Since the 1960s, there has been a trend of increasing warming of the lower atmosphere and a cooling of the upper atmosphere.
The social elements and factors that result in the depletion of the ozone layer and global warming are increased lifestyle of the humans and using cfc prone instruments. By 2100, they claim, the atmospheric carbon dioxide concentration will double, causing the average temperature on earth to increase by 1. Global warming is a phenomenon that occurs when the earth is heated up. Climate change, global warming, and ozone loss iitk. Introduction the subjects of global warming and climate change have become parts of both the popular lexicon and the public discourse. Depending on whos talking, it can mean all of the above. Scientific guide global warming and climate change. In this paper we will attempt to examine the relationship between global warming and ozone layer depletion, subsequently try to. Does global warming have an impact on the stratospheric ozone layer. Discussions of global warming often evoke passionate responses and fierce debate. This warming cooling dynamic creates conditions that lead to ozone loss.
The evidence against human causation in global warming page 2 of 12 1 global warming is a naturally occurring and recurring event the vostock ice cores are a key piece of information. Protecting the ozone layer while also preventing climate change. Protecting the ozone layer and reducing global warming undp. With such imprecise use of terms, its pretty easy to just give up and peg global warmingasnonscientific. Global warming is caused by ozone depletion, not greenhouse gases november 18th, 2014. The montreal protocol on the protection of the global ozone layer is a somewhat. The wri report is entirely designed to blame developing countries for sharing the responsibility for global warming.
Inversion layer, boundary layer changes in earths climate over time possible effects of global warming climate and weather adapting to climate change greenhouse effect human impacts on the ozone layer protecting and restoring the ozone layer. Extracts may be reproduced provided skeptical science is attributed with a link to the scientific guide to global warming skepticism was written by john cook. The ozone hole and global warming union of concerned. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Some of the news you may have heard polar bears are losing. As a result, this leads to heat and light from the sun being trapped, at the atmosphere by the gaseous substances such as nitrous oxide, carbon dioxide and methane billy, 2006. Get a clear view of ozone layer, ozone depletion as well as what to avoid in order to stop ozone depletion. Get the knowledge you need in order to pass your classes and more. Summary history of climate change science history in hypertext basic data. Students examine the earths ozone and the issue of global warming.
A molecule containing three atoms of oxygen is called ozone. Ozone depletion facts and information national geographic. In this photograph, the two lowest layers of the atmosphere, the troposphere and the stratosphere, are clearly visible. Is global warming just a myth like the ozone layer depletion. The ozone layer helps to protect life from harmful ultraviolet radiation. Fact global warming is happening myth fallacy cherry picking.
Free, but needed to view pdf files download individual essays as of jan. Pdf many researchers, engineers and environmentalists are expressing deep concerns about changes in the overall climate of the planet. Global warming and ozone layer depletion are two different problems see the sidebar misconceptions about global atmospheric change on page 95. How climate affects agriculture climate change can affect agriculture in a variety of ways. Forty years ago, scientists warned that a hole in the layer of ozone. Atmospheric concentrations of ozone vary naturally depending on temperature, weather, latitude and altitude, while substances ejected by natural events such as. The effects of global warming are potentially catastrophic for some components of the biosphere. Proxy measurements tree rings, sediments etc for the past years weather balloons radiosondes for the past 44 years satellites msu units for the past 21 years. Implications of potential future grand solar minimum for ozone layer. The cause of global warming executive summary three of the four methods of measuring global temperature show no signs of global warming. Global warming, climate change and sustainabilitychallenge to scientists, policymakers and christians john houghton i n this paper, i first list some of the growing threats to the environment and introduce the important concept of sustainability.
Causes of the global warming observed since the 19th century. We saved the ozone layer, but in doing so unleashed more global warming with the 1987 agreement to replace cfcs with hfcs. Ozone is made up of three oxygen atoms o3 and can be beneficial or harmful, depending on where it is found in the atmosphere. Ozone depletion and climate change are linked in a number of ways, but ozone. The evidence against human causation in global warming. The ozone hole and global warming union of concerned scientists. Read this essay on global warming and the ozone layer. The year 1998 was the warmest since reliable temperature records have.
Solar cycles, not co determineclimate courtesy of zbigniew. The protective benefit of stratospheric ozone outweighs its contribution to the greenhouse effect and to global warming. Global warming causing temperature rise in environment may effect to change in the at omic properties of the elements like motion, valency, magnetism, electrostatic, conduction, electronic structure, crystalline structure, electropositivity and electronegativity etc. How is global warming related to ozone layer depletion. Take steps to reduce your energy use, improve efficiency and help end global warming. Develop an understanding of the global trend towards ozone depletion and recovery. In january 1998, the collaborative icedrilling project between russia, the united states, and france at the. It is a complex issue full of uncertainties and controversies. Global open source 3d pdf warming potential gwp is the ratio of the warming caused by a substance.