Are the copenhagen accord pledges sufficient to limit global warming to 2 c or 1. Beyond a certain range of temperatures, warming tends to reduce yields because crops speed through their development, producing less grain in the process. It is often said that global warming is the number one. When we add up the heat going into the oceans, warming the land and air and melting the ice. And scientists say that unless we curb globalwarming emissions, average u. Economics, sociology, and politics are all importantfactors in planning for the future. Discovery of global warming files formatted for printing pdf. Matawal and dafang john maton international journal of environmental science and development, vol. For now i only want to let people living in the eastern twothirds of north america know that global warming is really happening. Summary history of climate change science history in hypertext basic data. Critical topics in global warming fraser institute. Effects of global warming lesson plan ventura county air.
They will answer questions on this article and fill in a graphic organizer. Is global warming climate change a bad thing or a good thing. Causes of the global warming observed since the 19th century. It is like putting a potato in the oven and claim it can reach a higher temperature than the oven itself. Even if we stopped emitting greenhouse gases ghgs today, the earth would still warmby another degree. 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. Pdf files discovery of global warming american institute of physics. What is the difference between global warming and climate change. Global warming solutions that work environment america. An ipcc special report on the impacts of global warming of 1. The pdf files do not contain links or illustrations. B e h i ndt the realization of r y h e o s global warming. One human fingerprint is a cooling upper atmosphere with a warming lower atmosphere.
The effects of global climate change from greenhouse gas emissions ghgs are. 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. Continued emissions of these gases will cause further climate change, including substantial increases in global average surface temperature and important. 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. Global warming 101 definition, facts, causes and effects of. The national academies of sciences, engineering, and medicine.
Global warming is pro engineer wildfire 5 0 tutorial free download pdf the talk of the town in this century, with its detrimental. By 2100, they claim, the atmospheric carbon dioxide concentration will double, causing the average temperature on earth to increase by 1. Just a few years earlier, these very same climatologists had. 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. Unesco eolss sample chapters climate change, human systems, and policy vol.
Global warming and oregon 8 human activities are causing the climate to warm 8 current indications of global warming 8 global warming will have severe impactsunless we act now 10 an urgent need for strong action global warming pollution in oregon 14 oregons initial global warming pollution reduction policies 19. Jacobson received 12th june 2008, accepted 31st october 2008 first published as an advance article on the web 1st december 2008 doi. There were bound to be global and regional variations in the rate of warming. There are various definitions available for global warming, here are a few that we think are particularly good. Global warming greenhouse gases carbon dioxide combustion of solid waste, fossil fuels oil, natural gas, and coal, and wood and wood products methane.
The old adage may sound trite, but throughout our history, americans have demonstrated its truth. You are welcome to download and print single copies for your personal use only. Global warming is the increase in the average temperature of the earths nearsurface air and the oceans since the midtwentieth century and its projected continuation. The cause of global warming executive summary three of the four methods of measuring global temperature show no signs of global warming. Effects of global warming on environmental pollution. This is just as impossible as to lift yourself by the hair. We also consider 19982008, a period dur ing which no warming was observed, a point that is fre quently mentioned by skeptics 4. They understand that the earth operates as a collection of interconnected systems that may be changing or may be in equilibrium. Global warming and climate change are terms for the observed centuryscale rise. Though this may sound like the work of global warming skeptics, it isnt. Hansen is director of nasas goddard institute for space studies who has been called a grandfather of the global warming theory.
Why cant the potato get hotter than the oven, or why cant the earth deliver more heat than it receives from the sun. It is a complex issue full of uncertainties and controversies. California uses 20 percent less energy per capita than it did in 1973, thanks to strong energy efficiency policies for. The impacts and costs of climate change european commission. Usage attributionnoderivs topics drought, global warming, climate change. Join our community just now to flow with the file ppt for global warming and make our shared file collection even more complete and exciting. Because carbon dioxide has a gwp of 1, the strength of all other gases is measured in relation to it. Global warming refers to the rise in global temperatures due mainly to the increasing concentrations of greenhouse gases in the atmosphere. 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. I effects of global warming on environmental pollution.
References national research council, 2010a, advancing the science of climate change national research council, 2010b, limiting the magnitude of climate change national research council, 2010c, adapting to the impacts of climate change national research council, 2011d, informing an effective response to climate change national research council, 2010e, ocean acidification. Luckily, though, global warming can be minimized by your efforts and ingenuity. Co 2, ch 4 and temperature records from antarctic ice core data source. Many computer models have the earth warming in the range of 0. 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. B e h i ndt the realization of r y h e o s global warming t c s. The other theory for our extinction is overhunting by humans. Encyclopedia of life support systems eolss effects of global warming on environmental pollution. How climate affects agriculture climate change can affect agriculture in a variety of ways.
Scientists and kids explore global warming, lynne cherry fight global warming now. Global warming potential, or gwp, is a value used to express the relative potency of each greenhouse gas. Review of solutions to global warming, air pollution, and energy security mark z. For example, a gwp of 20 means that a gas is 20 times more effective than carbon dioxide at trapping heat in the. A wide range of other observations such as reduced arctic sea ice extent and increased. Encyclopedia of life support systems eolss bibliography bowman a.
I then explain the threat arising from human induced climate change. References national research council, 2010a, advancing the science of climate change national research council, 2010b, limiting the magnitude of climate change national research council, 2010c, adapting to the impacts of climate change. An introduction to global warming for students in grades 68. Earths average surface air temperature has increased by about 0. Download adobe acrobat reader free, but needed to view pdf files download individual essays as of jan. The effects of global warming or climate damage include farreaching and longlasting changes. Accompanying videos, simulations and instructional support makes it easier to build a syllabus to improve and create new material on climate cha. Understanding the forecast 2 nd edition, is the first real text to present the science and policy surrounding climate change at the right level. While o ther pla nets in the solar system of t he ear th. Free, but needed to view pdf files download individual essays as of jan. Solar cycles, not co determineclimate courtesy of zbigniew.
Scientific guide global warming and climate change. Students will read an article on one effect of climate change global warming in small groups. Project report global warming pdf climate change in the american mind conducted by the yale project on. Methane emissions also result from the decomposition of organic wastes in municipal solid waste landfills, and the raising of livestock. The effects of global warming or climate damage include farreaching and long lasting changes. They sometimes act, driven only by their own desires.
Official pdf, 106 pages world bank documents world bank group. And higher temperatures also interfere with the ability of plants to get and. The evidence that humans are causing global warming is strong, but the question of whatto do about it remains controversial. One fingerprint of humancaused global warming is the tropospheric hot spot which hasnt been observed.
When rebuffed by the scientific establishment for his stand on the issue, he responded in 1982 with his book, carbon dioxide. 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. Accompanying videos, simulations and instructional support makes it easier to build a syllabus to improve and create new material on climate change. The carbon dioxide hy pothesis of climate warming has gained so many adepts. I really hope that you will not suffer from food shortages like we did. 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. In fact, 2015 should be the year that stifles discussion of a warming hiatus. For a comprehensive rebuttal of skeptics claims regarding the science of global warming, see our earlier report, the latest myths and facts on global. The way forward on global warming environment america. Page 1 ventura county air pollution control district, ventura, ca effects of global warming lesson concepts. This report provides results from three studies that collectively find that global. 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. Some of the news you may have heard polar bears are losing.
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