In this unit we aim to explain what global warming is, its consequences and what we can do to prevent it. 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. The shrinkage of glaciers is already creating water shortages, and threatening tourism in scenic parks. The view from washington, dc climate modification schemes. When rebuffed by the scientific establishment for his stand on the issue, he responded in 1982 with his book, carbon dioxide. As the why files digs out from yet another snowstorm, the idea of selling snow shovels and swapping skis for swim suits sounds soothing. But global warming, caused by an increasing concentration of carbon dioxide, is a distinctly discomforting thought, since its likely to bring rising sea levels, droughts and fires that disturb agriculture. Everybody talks about global warming, but what is it. They understand that the earth operates as a collection of interconnected systems that may be changing or may be in equilibrium. 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. The paper introduces global warming, elaborates its causes and hazards and presents some solutions to solve this hot issue.
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 hazard of global warming is continuously causing major damage to the earths environment. In one basin in glacier national park in montana, for instance, twothirds of the ice has dis. Over the past 100 years global temperatures have risen by 1.
More than 80 million tons of steel are recycled every year in north america. Identify yourself and explain why the subject of global warming is important to you in a personal way. The atmosphere and oceans have warmed, accompanied by sealevel rise, a strong decline in arctic sea ice, and other climaterelated changes. Impacts of global warming the public and climate wintry doom ice sheets, rising seas, floods government. Project report global warming pdf climate change in the american mind conducted by the yale project on.
We are going to learn about endangered animals and their habitats, the causes of global warming, the greenhouse effect, the greenhouse gases, renewable energies and recycling. Moreover, as the deep sea warmed, its oxygen content dwin dled warmer water cannot hold as much of this lifesustaining gas as cold water can. For 20 years the intergovernmental panel on climate change ipcc has stuck to its estimate that, on average, the rate of global warming should be 0. Scientists and kids explore global warming, lynne cherry fight global warming now. One of these was climate change, and the story was the emergence of a scienti. Why cant the potato get hotter than the oven, or why cant the earth deliver more heat than it receives from the sun. When we add up the heat going into the oceans, warming the land and air and melting the ice. Humans add various gases to the earths atmosphere every day.
Global warming causes temperatures between the years 18601900 average temperatures have increased by 0. Global warming and its potential harmful impacts are pressing issues facing scientists and policy makers all over the world. Because carbon dioxide has a gwp of 1, the strength of all other gases is measured in relation to it. What well pay if global warming continues unchecked ii about nrdc nrdc natural resources defense council is a national nonprofit environmental organization with. For now i only want to let people living in the eastern twothirds of north america know that global warming is really happening. The evidence that humans are causing global warming is strong, but the question of whatto do about it remains controversial. Many hypotheses have been proposed to ex plain this supposed dramatic instability of the earth cli mate, such as changes in solar radiance, in carbon diox ide or methane in the atmosphere, or change in ocean termohaline circulation, etc. Global warming is pro engineer wildfire 5 0 tutorial free download pdf the talk of the town in this century, with its detrimental. Project team for the work that has led to this report. The pdf files do not contain links or illustrations. The climatologists are seriously warned for polar ice melt because of global warming and hence it creates.
In fact, 2015 should be the year that stifles discussion of a warming hiatus. The validity of epas co endangerment finding abridged. Before embarking on a detailed analysis of global warming and its impacts on indian. Global warming potential, or gwp, is a value used to express the relative potency of each greenhouse gas. I then explain the threat arising from human induced climate change. The way forward on global warming environment america. Sumit thakur uncategorized global warming ppt and pdf free to download. Ice age speculations temperatures from fossil shells rapid climate change radiocarbon dating influences on climate. The current tentative consensus is that global warming is a reality, but it is uncertain how much this is caused by. Signs of global warming in the united states, region by region iv. The greenhouse is covered with a kind of plastic walls which permits all radiations. The wri report is entirely designed to blame developing countries for sharing the responsibility for global warming. Naomi oreskes in december 2004, discover magazine ran an article on the top science stories of the year.
Is global warming climate change a bad thing or a good thing. 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. Something helpful to keep in mind is that global warming is a buzzword that represents a lot of scientific ideas about climate change. Pdf files discovery of global warming american institute of physics.
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. Projectseach one has a basic description and link to a fluence longer term risks, some level of further global warming is already projected as past. The battle for the truth about global warming kindle edition by pearce, fred. Global warming science earth and space science i students investigate, through laboratory and fieldwork, the universe, the earth, and the processes that shape the earth. Download adobe acrobat reader free, but needed to view pdf files download individual essays as of jan. Global warming greenhouse gases carbon dioxide combustion of solid waste, fossil fuels oil, natural gas, and coal, and wood and wood products methane. The carbon dioxide hy pothesis of climate warming has gained so many adepts. It is often said that global warming is the number one. Project report on global warming pdf climate change in the american mind conducted by the yale project on.
Review of solutions to global warming, air pollution, and. This article discusses amongst cause of global warming and consequences of global warming on the environment. California uses 20 percent less energy per capita than it did in 1973, thanks to strong energy efficiency policies for. C world agriculture faces a serious decline within this century due to global. Use features like bookmarks, note taking and highlighting while reading the climate files.
Global warming is the talk of the town in this century, with its detrimental. Some of the news you may have heard polar bears are losing. Though this may sound like the work of global warming skeptics, it isnt. Summary history of climate change science history in hypertext basic data the modern temperature trend past cycles. One fingerprint of humancaused global warming is the tropospheric hot spot which hasnt been observed. Most people are still unaware of global warming and do not consider it to be a big problem in years to come. Hurricanes, tornadoes and volcanoes are all natural disasters. Although global warming from 1979 to 1998 is well supported in all surface and tropospheric temperature data sets, major questions exist regarding. What climate change means for north carolina us epa. Weather in recent winters recent winter was the warmest winter ever recorded in the history of the planet earth. To find out if global warming continued past 1998, look at all the heat accumulating in the climate 21 22 23 23,25 12 month running average of global temperature variations. 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. World agriculture faces serious decline from global warming developing countries face much greater damage than rich countries india could see drop of 30 to 40 percent by the 2080s washington d. This factor alone indicates that addressing global warming quickly is critical.
Methane emissions also result from the decomposition of organic wastes in municipal solid waste landfills, and the raising of livestock. Veronica white global warming, along with the cutting and burning of forests and other critical habitats, is causing the loss of living species at a level comparable to the extinction event that wiped out the dinosaurs 65 million years ago. The cause of global warming executive summary three of the four methods of measuring global temperature show no signs of global warming. This report provides results from three studies that collectively find that global. Many computer models have the earth warming in the range of 0. The way forward on global warming reducing carbon pollution today and restoring momentum for tomorrow by promoting clean energy volume 1. Download it once and read it on your kindle device, pc, phones or tablets. Eventual ly, though, so much of the gas seeped into the deep ocean that it created a surplus of carbonic acid, a process known as acidification.
The science of climate change australian academy of science. In almost every mountainous region across the world, glaciers are retreating in response to the warming climate. Warming, climate changes, and impacts in the 21st century and beyond 20. We hear the term greenhouse gas a lotbut what is it. Global warming concerns understanding the macrosystem, such as the why and wherefore of the current observed increase in planetary atmospheric temperatures see also how atmospheric chemistry and physics effects global warming. This has created in terest in learning why the temperature did not increase when the radiative forcing by the longlived greenhouse. What most people do not understand is that global warming is currently happening.
Economics, sociology, and politics are all importantfactors in planning for the future. Greenhouse gases such as co2 and methane emitted from burning fossil fuels contribute a lot to global warming. We also consider 19982008, a period dur ing which no warming was observed, a point that is fre quently mentioned by skeptics 4. Signs of global warming in the united states, region by region iv executive summary v introduction 1 part i.
Most of the state has warmed onehalf to one degree f in the last century, and the sea is rising about one inch every decade. For example, a gwp of 20 means that a gas is 20 times more effective than carbon dioxide at trapping heat in the. About jane genovese jane genovese is a public speaker, university graduate of law and arts majoring in psychology and passionate global warming advocate. It is like putting a potato in the oven and claim it can reach a higher temperature than the oven itself. B e h i ndt the realization of r y h e o s global warming t c s. This is just as impossible as to lift yourself by the hair. Surely this, if nothing else, makes a mockery of wris claim that global warming is a truly global phenomenon in both cause and potential effect. Global warmings increasingly visible impacts environmental. They say gasoline cars cause the problem and that the gasoline tax needs to be increased to stop it.
Between 2009 and 2010, the number of persons who considered that global warming due to an increase of the greenhouse effects was a certainty for. It is a complex issue full of uncertainties and controversies. 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. You are welcome to download and print single copies for your personal use only. For millions of years, energy has been pouring down onto earths surface from the sun. Technical working group of the maryland commission on climate change. Causes of the global warming observed since the 19th century. Above all, alternative energy sources solar, wind, hydro, geothermal. B e h i ndt the realization of r y h e o s global warming. Projectseach one has a basic description and link to a pdf. Figure 1 figure 2 nasas global surface temperature record esti mates of global surface temperature change, relative to the average global surface temperature for the period from 1951 to 1980, which is about 14c 57f from nasa goddard institute for space studies show a warming trend over the 20th century.
There were bound to be global and regional variations in the rate of warming. It is indeed a global phenomenon in effect all of us will suffer but caused by the wilful overconsumption of a few, particularly the society that wri comes from. Global warming solutions that work environment america. An introduction to global warming for students in grades 68. Global warming is the talk of the town pro linq in vb 8 pdf in this century, with its detrimental. She became concerned about global warming after reading an article on artic eskimos losing their way of life due to rapid climate change. Global warming penn state college of earth and mineral. Between 2009 and 2010, the number of persons who considered that global warming due to an increase of the greenhouse effects was a certainty for most scientists dropped from 70% to 51% that is. This slide is an introduction to the presentation on global warming. Hansen is director of nasas goddard institute for space studies who has been called a grandfather of the global warming theory. Scientific guide global warming and climate change. One human fingerprint is a cooling upper atmosphere with a warming lower atmosphere. Steel cans crushed and baled for recycling in a recycling plant outside galva, illinois.
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