... increases evaporation and precipitation to affect global cloud cover; and thereby alters the distribution of climate across the surface of the planet. An increase in average global temperature of 0.7 C has already been measured, and present rates of emission of greenhouse gases are committing the Earth to an additional warming of about 0.3 C per decade. We are also adding small particles and droplets ... oxide can be accomplished by reducing fossil fuel combustion, especially that of coal. An international body of 2,500 leading scientists known as the Intergovernmental Panel on Climate C...

• Word Count: 2775
• Approx Pages: 11
• Grade Level: Undergraduate

... such issues as the buildup of greenhouse gases, evidence and attribution of climate change, and predictions of global climate scenarios over the next century, issued its inagural report. That report concluded that human activity had been increasing the concentration of greenhouse gases in the atmosphere to the highest levels in recorded history. According to the IPCC, atmospheric carbon ... which global mean temperatures actually declined. The ICPP's climate models failed to accurately plot these temperature patterns, raising obvious concerns about the model's utility. The IPCC's 2000 r...

• Word Count: 2434
• Approx Pages: 10
• Grade Level: Undergraduate

... ..." (Revelle). Nearly ten years later, Lydon B. Johnson became one of the first presidents to discuss the issue. In November 1956, he compiled a report from scientists, physicians, and engineers about the presence of global warming. The contents of the report detailed ways in which to deal with the inevitable consequence of production by regulating waste management and what particulates are burned into the ... to fight for legislation that will give the certainty that no unelected bureaucrat at the EPA is going to make efforts to create jobs even more difficult than the administration a...

• Word Count: 1119
• Approx Pages: 4
• Grade Level: Undergraduate

... annual return. If the streams are too hot, the salmon will vanish. A 1992 study by D.A. Levy in the Canadian Technical Report of Fisheries and Aquatic Sciences frames the issues confronting salmon in a warming climate. At writing, the scientists contributing to the report envisioned the following scenarios: • Global warming will increase water temperatures and decrease water flows during spawning migrations. Result: increased ... salmon. Warmer sea surface temperatures would also mean a loss of ideal ocean habitat for salmon stocks. Salmon depend on cool waters. Fishermen on the west ...

• Word Count: 2262
• Approx Pages: 9
• Grade Level: Undergraduate

... their greenhouse gas emissions is good for human. We should proceed from the overall situation, to limit greenhouse gas emissions. In protecting the environment should not have national boundaries. I have already seen the film An Inconvenient Truth seven years ago so our Professor's requirement to watch it again is only a recap for me about what is really the main aim of ... of inconvenient truths which are all gathered by Al Gore himself to bring it into a jampacked facts of presentation. The first time I heard the title itself (An Inconvenient Truth), I have already had ideas forme...

• Word Count: 6155
• Approx Pages: 25
• Grade Level: Undergraduate

... Does anybody ask themselves about it? Is it scary thing? Or it's just nothing. In reality climate change is a threat to humans who already faced with Mother Nature's anger. We should be afraid of something unusual in this world where weather sim not normal anymore. Scientists have discovered that ... humans are causing these changes on Earth. In the book "The Rough Guide to Climate Change Second Edition" by Robert Henson we can find a lot of answers to good questions. However, ... is effecting life on Earth with extreme temperature and weather change. Over the last century temperature ...

• Word Count: 1050
• Approx Pages: 4
• Grade Level: High School

... than carbon dioxide. These greenhouse gases allow the sun's radiation to pass through, but trap much of the heat emitted by the Earth. The diagram at the end of the report shows how the greenhouse effect works. Examples of greenhouse gases are carbon dioxide, water, and methane. The continual flow of radiation from the sun provides the energy that drives the ... at reducing the carbon dioxide emissions of industrial nations to pre-1990 levels by the year 2012, failed in the last month of Bill Clinton's presidency. The Bush administration has already announced that it was not going to re...

• Word Count: 880
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... than carbon dioxide. These greenhouse gases allow the sun's radiation to pass through, but trap much of the heat emitted by the Earth. The diagram at the end of the report shows how the greenhouse effect works. Examples of greenhouse gases are carbon dioxide, water, and methane. The continual flow of radiation from the sun provides the energy that drives the ... at reducing the carbon dioxide emissions of industrial nations to pre-1990 levels by the year 2012, failed in the last month of Bill Clinton's presidency. The Bush administration has already announced that it was not going to re...

• Word Count: 880
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... reported to have been especially high since 1980. Ocean temperatures are now reported to be rising as well, based on a study just released covering the past 40 years. One current report states that the last three winters represent the warmest trend ever in North America. Even more significant is the indication that the world's climate is not only becoming warmer, but ... effect. For example, current public awareness of the damage done by pesticides such as DDT can be directly traced to the message conveyed by one person, Rachel Carson. Her classic book Silent Spring (Houghton Mifflin, 1...

• Word Count: 1531
• Approx Pages: 6
• Grade Level: Undergraduate

... is most likely to cover a given area. The "gap models" simulate all of the dynamic relationships (e.g., large trees shading small trees) for small representative areas. Both types of studies generally report the total leaf area of all the trees in a forest. The models offer huge contrasts in their predictions. When carbon fertilization is taken into account, the biogeography model says that ... ...

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... was that because Chlorofluorocarbons, CFC's, were extremely stable in our lower atmosphere, they could drift into the stratosphere, break apart, and release large quantities of chlorine into the atmosphere. The report stated that each chlorine atom could potentially destroy 100,000 ozone molecules." "The circulation of the ocean normally involves the sinking of cold water in higher latitudes and the replacement ... ...

• Word Count: 638
• Approx Pages: 3
• Grade Level: Undergraduate

... will be set each year. Warmer temperatures, average temperatures will rise, as will the frequency of heat waves. Most of the United States has already warmed, in some areas by as much as 4 degrees Fahrenheit. The last three five-year periods are the three warmest on record. Many places ... disease more frequent and more intensive heat waves could result in more heat-related deaths. These conditions could also aggravate local air quality problems, already afflicting more than 80 million Americans. Global warming is expected to increase the potential geographic range and virulence of tropic...

• Word Count: 1457
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... battered the upper Midwest in early 2002 causing hundreds of millions of dollars worth of damage. More heat related deaths are likely to occur with warming temperatures. Air quality problems, already affecting over 75 million Americans, could be aggravated by warmer conditions. Insects "that transmit diseases [could] extend their ranges and increase both their biting rate and their ability to ... mangrove forests, are likely to disappear because new warmer local climates or coastal sea level rise will not support them (EPA, Impacts). "Recent studies reveal that some species have already...

• Word Count: 1577
• Approx Pages: 6
• Grade Level: High School

Planet Earth has already lost 80% of its forest cover due to deforestation (Deforestation Statistics). Deforestation is a problem all over the world. It affects many different animals, and even humans. Deforestation destroys habitats and ... forests on a massive scale. Next, many people can be affected by deforestation in negative ways. Lastly, everybody can help in different ways to minimize deforestation and conserve forests. Earth has already lost most of its forests due to deforestation, and if people do not help to stop deforestation, forests will completely disappear....

• Word Count: 634
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• Grade Level: High School

... 23 million children and adults with asthma in the United States and would compound today's $32 billion price tag for allergies and allergen-driven asthma (Karl 2009). Water shortages are already a critical issue in the Southwest and are likely to become far worse with climate change. Such shortages will make agricultural production more expensive, force cut-backs in the amount of ... of climate change on agriculture is both complex and uncer-tain. Higher levels of carbon dioxide will benefit some crops. However, other crops-such as corn, sorghum, and sugar cane-already use carbon dioxid...

• Word Count: 1025
• Approx Pages: 4
• Grade Level: Undergraduate

... factors would have impacted the mammoth and mastodon. It is likely that towards the end of the Ice Age, mega faunal populations were seriously diminished, and perhaps for some genera, already extinct. This meant that the changes were still occurring at the time of human arrival, and the animal populations would not yet have had a chance to recover. From the archeological ... is improbable that man alone could have killed off thirty-five genera of animals in the short period of time in which humans populated the continent; had climate change not already been a factor in depleting the meg...

• Word Count: 3100
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... temperature, much is still unknown or only guessed at, due to a general lack of deeper understanding of Earth's very complex climate system. Theses impacts include reduction in water availability, in already water-stressed areas, changes in the incidences of extreme weather events, such as typhoons and droughts, and the impacts of the rising sea-level on low-lying areas [Watson et ... agricultural production. Adequate adaptations by farmers are vital in order for global and United States agricultural production to keep pace with the changing climate. The increased climate variability, h...

• Word Count: 3241
• Approx Pages: 13
• Grade Level: Undergraduate

... be designed to give desired answers. Promoters of global warming would suggest that we need to control the rise of one of the major greenhouse gasses CO2 but we are already actively doing that. More trees and vegetation have been planted in recent years than any other time to help compensate for the rises (Robinson, Arthur (1997, December 4) Science Has Spoken ... do not do anything about it and it is all real, then the climate might get out of control and it would be damaging to many cultures as we are already seeing. In Africa they are getting frosts that are killing the young sprouts...

• Word Count: 1049
• Approx Pages: 4
• Grade Level: High School

... islands that are located in the middle of the ocean because such a sea rise could cause the island to eventually sink and destroying tribes, animals, and crops. Many island residents already say that because of the sea level rise it has polluted their crops and destroying their land. One of the most important impacts is on our water supply around the ... ). Lastly, global warming can have an impact on human health. Pollution of the atmosphere, change in climate, inadequate water and food supplies can all eventually affect us. It is known already that heat strokes have cause death among h...

• Word Count: 1408
• Approx Pages: 6
• Grade Level: High School

... , will deteriorate any remainder of Greenland's ice sheet in just a few decades (Kolbert p.55).  Another example of climate change is in the island of Sarichef, Alaska, where Inuit people have already had to relocate due to flooding caused by rising sea levels. But where's these stories in the news? If there was a higher priority to make light of the effects of ... ...

• Word Count: 1162
• Approx Pages: 5
• Grade Level: Undergraduate

... vehicle ownerships rises dramatically year after year in Cambodia the country that will be covered in exhaust fumes from the rides of more 14 million citizens. Since the government has already come up with the plan to help every citizen to live in harmony for a very long time though it will cause some impacts at first like squeezing with other travelers ... ...

• Word Count: 1296
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• Grade Level: Graduate

... can also function as a buffer against storm surges and flooding. However, land use controls can only be successful when local authorities can enforce them and in many cases, there are already people living in the areas who would be reluctant to move or cooperate. Also, heavy costs are incurred when buying land in endangered areas. Another mitigation measure is floodplain management ... ...

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... nature reserve, constructed to serve a particular purpose of protecting wildlife in South Wales. Nevertheless, this raises questions linking to the theory of nature as a social construct Castree (2001). In his book Social Nature, states the issue of human intervening with nature. If nature is socially constructed, our knowledge of nature would be seen as non-independent, as a result nature cannot provide ... ...

• Word Count: 1959
• Approx Pages: 8
• Grade Level: Undergraduate

... land benefited one herdsman, but the cost of that one extra cattle was shared by all the herdsmen (one more cattle would mean less grass or less space for the already existing cattle). Hardin explained that in time common resources and public goods will be abused and eventually destroyed, because people have unlimited needs and will take advantage of limited resources ... ...

• Word Count: 1485
• Approx Pages: 6
• Grade Level: Undergraduate

... land use, land use change and forestry to reduce greenhouse gas emissions and increase carbon sinks. Locally, according to the EPA, cities and states around the U.S. are preparing or have already prepared greenhouse gas inventories, and are currently pursuing programs and policies that are hoped to result in the decrease of greenhouse gas emissions. The Union of Concerned Scientists, UCS, explains ... ...

• Word Count: 1193
• Approx Pages: 5
• Grade Level: Undergraduate