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Global warming and its effects on the environment
The impact of fossil fuels on our Planet
Impacts of global warming on the environment
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The “Go Green” lifestyle trend has emerged as a new way for humans to prevent a possible catastrophic environmental event that, some if not all, people believe will occur because of Global Warming. The people that have chosen to change their habits of recycling garbage, buying fuel efficient cars instead of 70's style gas guzzlers or live in a Eco-friendly house have spent some of their time researching what lies ahead for the human race if Global warming is not addressed. The scientific community has predicted many different environmental impact scenarios based on Global Warming, such as runaway heat waves and coastal flooding, but the one scenario that is most likely to come to pass for our planet is a new ice age. The addition of fresh water to the Atlantic Ocean caused by melting ice caps will change the current dynamics that are responsible for northern latitudes moderate climate and the added solar energy absorption in the atmosphere by greenhouse gasses will create convection currents and cool the Earth’s climate, pushing it into the next ice age. The theory that Earth is headed for a new ice age has been a topic of discussion in the scientific community, but was not discussed by the public until the release of the movie The Day After Tomorrow, and since its release in 2006, it has been viewed by more than 30 million adults. The movie has some base of scientific facts with a dash of creative liberty added by the screenwriters. The National Science Foundation funded a study, performed by Anthony Leiserowitz of Decision Research, to explore the movies impact on public opinion in regards to climate change. The study conducted two nationwide surveys, one a week before, and one four weeks after the movie’s release. The resul... ... middle of paper ... ...i, X., . . . Johnson, C. A. (Eds.). (2001). Climate change 2001: The scientific basis : contribution of Working Group I to the third assessment report of the Intergovernmental Panel on Climate Change. Cambridge, NY: Cambridge University Press. Palastanga, V., Van der Schrier, G., Weber, S. L., Kleinen, T., Briffa, K. R., & Osborn, T. J. (2011). Atmosphere and ocean dynamics: contributors to the European Little Ice Age? Climate Dynamics, (36), 973-987. Schiermeier, Q. (2004, September 2). Disaster movie highlights transatlantic divide. Retrieved November 6, 2013, from Proquest website: ezproxy.bellevue.edu:80/loginf?url=http://search.proquest.com/docview/204513922?accountid=28125 Snook, J. (2008). Ice Age Extinction : Cause and Human Consequences. Algora Pub. Weaver, A. J., & Hillaire-Marcel, C. (2004). Global warming and the next ice age. Science, 304(5669), 400-402.
People are responsible for higher carbon dioxide atmosphere emissions, while the Earth is now into the Little Ice Age, or just behind it. These factors together cause many years discussions of the main sources of climate changes and the temperature increasing as a result of human been or natural changes and its consequences; even if its lead to the global warming, or to the Earth’s cooling. In their articles, “Global Warming Is Eroding Glacial Ice” by Andrew C. Revkin and “Global Warming Is Not a Threat to Polar Ice” by Philip Stott, both authors discuss these two theories (Revkin 340; Stott 344). Revkin is right that global warming is taking place. Significant increase of carbon dioxide in the atmosphere is due to human activities combined with natural factors such as volcanic emissions and solar radiation – all together they lead to climate changes and temperatures rising. At the same time, other factors such as deforestation contribute to environmental changes for some glaciers not less than air pollution. However, during global warming not all regions of the planet are affected in the same way, local warming and cooling are both possible during these changes.
Global temperatures have noticeably been rising since the mid 1800’s.The average temperature has increased by 0.6 ± 0.2°C since 1860 according to (John Sweeney, 2003)with accelerated warming apparent in the latter decades of the 20th century. The legitimacy of global warming had long been debated, however in a report by (IPCC, 2007) it states that warming of the climate system is unequivocal, as is now evident from observations of increases in global average air and ocean temperatures, widespread melting of snow and ice and rising global average sea level. Simulations on models such as EC-Earth provide us with predictions for future climate change. Depending on levels of emissions an increase of 1 to 5.5 degrees celsius is expected in average global temperatures by 2100.
Amos, Jonathan. “Deep Ice tells Long Climate Story.” BBC News. BBC News. 9/4/2006. Web. 4 Apr. 2014.
Global Warming, much of what does or does not happen forty years from now rests on our actions or inactions taken between now and then. The crucial question is whether we should pour all our resources into mitigation – reducing our carbon emissions. According to scientists who study the climate there are other environmental problems; “we now face a global crises in land use and agriculture that could undermine the health, security, and sustainability of our civilization”.
As Arnold Schwarzenegger once said, “We simply must do everything we can in our power to slow down global warming before it is too late. The science is clear. The global warming debate is over” (Schwarzenegger, par.9). Has our society really made an effort to prevent global warming from evolving into a bigger disaster than it already has or are people sitting back and letting things unfold similarly to a series of unfortunate events? Andrew C. Revkin, the author of “Global Warming Is Eroding Glacial Ice”, believes that the main cause of global warming is largely due to human activity. Revkin’s claims water glaciers are disappearing which is making an overall negative impact on global warming. He believes that melting trends are showing a negative effect on the environment and that people’s ignorance to hydroelectric power is leading to future water shortages, which in the longer run will speed up the process of global warming (344). In opposition, Philip Stott, the author of “Global Warming Is Not a Threat to Polar Ice”, begs to differ and believes that people cannot simply blame humans alone for the cause of global warming, but that both the greenhouse gases and natural changes in the environment are the leading causes of an ice age. The Ice age is approaching sooner than later! Even though people believe that global warming should be a concern, Stott argues that people are far from being affected by global warming because in reality ice sheets are getting thicker and not thinner, also that there has been a change in colder climate which is effecting the environment as a whole, and that the production of greenhouse gases are not contributing to global warming, but instead leading the world to the next glacial period (Stott 346).
The Web. 04 Feb. 2014 -. The Effects of Global Warming. National Geographic. N.p., n.d. Web.
Chasing Ice covers the long debated topic of global warming and whether or not human activity is currently causing global temperatures to rise. Evidence suggests that increased carbon dioxide emissions over the past couple hundred years are responsible for the warming of the Earth’s surface, and thus increasing the levels of the ocean due to an accelerated rate of ice melting. We discussed this same topic in class and how humans are contributing to the greenhouse effect which plays a large role in trapping these unnatural amounts of gases such as carbon dioxide in the Earth’s atmosphere and causing a rise in the number of natural disasters around the world.
Jacob, T., Wahr, J., Pfeffer, T. W., & Swenson, S. (2012). Recent contributions of glaciers and ice caps to sea level rise. Nature, 514-518. http://dx.doi.org/10.1038/nature10847
“An introduction to climate change.” Natural Resource Defense Council. Natural Resources Defense Council 8 November 2015 n. pag. Web. 28 November 2015.
The book by David Archer (2009) includes details that will make the readers understand the future of climate change as well as past events that have changed the present climate, as we know it. David Archer is a professor of geophysical sciences at the University of Chicago and has done many public presentations on the earth’s climate change before releasing his book, the long Thaw.
Tripati, Aradhna. (2009). Coupling of CO2 and Ice Sheet Stability Over Major Climate Transitions of the Last 20 Million Years. Science. http://www.sciencemag.org/content/326/5958/1394.abstract
Society, N. G. (2007). Effects of Global Warming. Retrieved May 6, 2014, from National Geographic
Hardy, J. T. Climate Change: Causes, Effects, and Solutions. New York: J. Wiley, 2003. Print.
The purpose of this paper is to investigate whether global warming could affect the thermohaline circulation cycle (THC) significantly enough that it could even shut it down and thus cause a shift in the climate of Europe severe enough to cause another Little Ice Age. To answer the question about whether global warming could cause another ice age, I have divided this paper into segments. The first will explain what the thermohaline circulation cycle is. Next, I will look at the last interglacial period and observe what the conditions were like especially in respect to the THC. I will look at how the last interglacial led to the last great Ice Age, and the sudden demise of that Ice Age, as well as the nearly equally sudden cooling that occurred in the Younger Dryas about 12,000 years ago before the warming resumed in earnest shortly thereafter. In the final part of this paper I will look at two different predictions of what could happen as a result of the melting of the North Atlantic region's ice sheets with respect to the THC and how it could affect the regional climate in Europe.
One of the most substantial problems in the world today is global warming. This gradual warming of the earth is in occurrence at an extremely slow rate but it is happening. Many scientists believe that as human’s work and release greenhouse gases into the earth’s atmosphere, it can become dangerous for the long lasting life of humans and our environment. “Unless we take immediate action, the impacts of global warming will continue to intensify, grow ever more costly and damaging, and increasingly affect the entire planet - including you, your community, and your family” (“Global Warming Impacts”). Everyone should be knowledgeable about global warming and the dangers that it brings to our planet. This essay will examine