Instructions Directions: Unless otherwise stated, answer in complete sentences, and be sure to use correct English spelling and grammar. Sources must be cited in APA format. Your response should be four (4) pages in length; refer to the “Assignment Format” page for specific format requirements. In your course, turn to Lesson 4. Skim through it to refresh your memory. Next, carefully study and review the section titled, “Ecological Challenges Facing Humanity.” Skim through that and then focus on the topic of deforestation. Using your own words, write a short descriptive essay that defines and explains selected environmental impacts of deforestation. As you write, imagine you are talking to a friend who has no knowledge of this topic. In short, write the way you speak, using a conversational tone. Also, try to alternate short sentences and longer sentences to make your writing more readable. Be sure to create a title and cite yourself as the author. For example: Environmental Impacts of Deforestation Jennifer Croft Your essay should include five paragraphs, as follows: • Paragraph 1 is your lead paragraph. It will contain an overview of what you have to say about these three topics: disruption of the carbon cycle, disruption of the hydrologic (water) cycle, and the reduction of species diversity. • Paragraphs 2, 3, and 4, are your body paragraphs. o Paragraph 2 should describe how deforestation disrupts the carbon cycle. o In paragraph 3, you’ll write about how deforestation disrupts the hydrologic (water) cycle. o In paragraph 4, you’ll explain how deforestation is related to declining species diversity. • Paragraph 5 is your conclusion paragraph. Here, you can describe how you feel about the three effects of deforestation discussed, and what we might do about it. It’s permissible to use direct quotes from your reading, but don’t use too many. One to three such quotes should be your limit. Be sure to put a direct quote in quotation marks. For example: According to Smith, “Carbon dioxide is both our friend and our enemy.” Begin by writing a first draft. Then, edit and rework your material to make it clear and concise. After you have reached a final draft, proofread the essay one last time to locate and correct grammar and spelling errors. Ecological Challenges Earth from Space (NASA public domain image) Let’s look at some of the ecological challenges facing the world. These issues are all related to climate change and global warming in various ways. As you learn about them, consider their origin and impact. Think about how they contribute to climate change and global warming. Pollution Pollution is the process of making land, water, or air unsafe for life. Pollution of the air, water, and soil is a problem for everyone. For example, in 2014 toxic chemicals were unintentionally spilled into the water supplies of nine counties and the city of Charleston in West Virginia. The culprit was a toxic chemical called 4-methylcyclohexane. The spill may have been an accident but it was still a catastrophe. The government issued a ban on the use of tap water for nine days, which barely made an impact on the ongoing problem. Several hundred people had to be treated in hospitals for chemical exposure over the following weeks. Tap water continued to have a peculiar, lingering licorice odor for some time afterward. Pollution comes from many sources. For example, water pollution can come from oils spills, acid rain, and industrial and farm runoff. These issues also cause problems with soils. Farms that rely on petroleum-based fertilizers, pesticides, and herbicides, for instance, have destroyed organism-rich topsoil. Meanwhile, air pollution comes from emissions from internal combustion engines. Think about the brown clouds that are often seen over urban centers. (California has been a recent exception; in that state, regulatory action has made urban air more breathable.) Waste Disposal Across the globe, the overconsumption of resources has created a crisis associated with waste—garbage—disposal. Developed countries in particular produce an enormous amount of garbage.
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