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Global warming is a rising problem in current events. Though many people deny its existence, it is clear that humans are not exactly making our ﻿(should be their) ﻿ environment greener. Leaders, whether scientists, politicians, businessmen, or others, should acknowledge that global warming is a threat, create policies to fight it, and educate future generations about it. Not enough background information in the introductory paragraph. Your definition of leadership is relevant to global warming, but not necessarily consistent throughout the remaining paragraphs. Unless scientists and businessmen have jurisdiction over grade school curriculum, it may help to further specify which leaders you intend to discuss The introduction is very short, no hook or introduction of what global warming actually is.

Global warming is an obvious ﻿ problem (threat)  to not only (not only to) ﻿ ﻿ ﻿  our environment, but (to) our economy ( as well) . (connect your topic sentence with leadership) ﻿(No connection to leadership or potential policies) Of course, ﻿(Although) Earth’s heating and cooling patterns fluctuate ﻿ and are natural (fluctuations are natural) , but (delete but)﻿ temperature (which temperature?)﻿ (global temperature has) ﻿ ﻿ ﻿ increased more in the 20th century (about 1 degree Fahrenheit) than in the thousand years before that (Source A). Over 100 years ago (no, did not begin 100 years ago, making up numbers is bad ^_^) (incorrect numbers...) ﻿ , industrialization was at its peak – humans were really <---uneccesary  beginning to influence Earth (how did they influence it? in what way? what did they do? what did industrialization cause when it was at its peak?) . (bad transition) (If you're going to write a sentence like this, make sure it transitions more smoothly to your topic and connects to your quote)﻿ <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;"> Now, global warming is taking a toll on our oceans as well. Global ocean surface temperatures decreased until about 1910, then began to increase rapidly. In 2004, ocean surface temperature was at .2 degrees C, compared to -.5 in 1920 (Source B). (should combine previous two sentences. some analysis of the consequences of ocean surface temperature declines would also help boost your argument) ﻿(you should avoid summarizing the graph unless you aim to provide a context for your statistics) ﻿﻿ (lead to the quote is too choppy, try to combine sentences instead) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;">In addition to affecting our temperatures, global warming is affecting our economy. The combustion of fossil fuels – “coal, natural gas, and petroleum” – adds up to ¾ of carbon dioxide emissions (carbon dioxide is the “primary global warming gas”) (Source A) (I feel you could have presented this quote in a much better way) (You seem to be summarizing source 1 while simultaneously contradicting yourself. How can global warming be affecting 'our economy' (a phrase you should definitely consider altering) when burning fossil fuels creates global warming?) ﻿ (No elaboration following your previous quote before jumping to this one, so what is the significance of the two quotes?) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;"> Obviously (delete obviously) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;"> this is hurting our environment (Whose environment? Why do you want to use the second person?) ﻿ <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;"> by emitting more CO2 and less O2, and also (delete also) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;"> depleting our ozone layers, (incorrect punctuation) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;"> but how exactly do we get fossil fuels these days? Since resources are being depleted, companies are digging into areas that they never needed to use before. Fossil fuels are helping our economy right now, but what about in the future? We depend so much on these that once our limited supply is gone, we won’t know what to do. Global warming is evidently a threat to our environment and economy, and leaders should realize this and accept it before taking any further steps. (Three &'s are somewhat unnecessary.) (last sentence is wordy and awkward but the ending supports are good)

<span style="font-family: 'Calibri','sans-serif'; line-height: 200%;">Current policies against global warming are helping, but not enough – (A semicolon would have sufficed) all leaders need to be participating ﻿(participating in what?) ﻿(Where does your topic sentence describe how leaders must 'create policies to fight' global warming?) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;">The Kyoto Protocol requires “participating countries to reduce their greenhouse gas emissions,” to put it shortly <--- unnecessary, not good use of the quote ﻿(the sentence is mostly the quote which is something you want to avoid; the integration is insignificant and awkward) ﻿ <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;">. Although many nations did participate, the United States and Australia, which “together account for ¼ of the world’s greenhouse gas emissions,” chose not to (Source A). Leaders like those ( cut out "like those") <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;"> of the US and Australia need to realize that policies (what policies? be more specific) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;"> are necessary to take steps toward saving our home (Whose home?) (awkward) ﻿ <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;">Furthermore, many experts state that the Kyoto protocol is not enough. It has cut emissions between 3-8% for “just over half of the developed world.” However, scientists suggest that “up to a 60% global cut is required to prevent major climatic change.” Meanwhile, the US’s CO2 emissions have “already risen by 12% since 1999,” and it is predicted that they will rise “by more than 30% by 2012” (Source E) ﻿(good intergration of quotes.) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;"> The statistics are shocking. The Kyoto Protocol is hardly helping, and the US is completely obliterating any emission cuts the Kyoto Protocol has made! (Was an exclamation mark really necessary?) ﻿(Weird sentence.) Policies (again being too general) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;"> need to be proposed, especially by leaders whose countries are not currently participating in global warming policies. (There seems to be an extraneous amount of summary within both of your paragraphs. It's becoming more and more difficult to identify your argument (or at least how you support it). <span style="color: #008080; font-family: 'Calibri','sans-serif'; line-height: 200%;">)

<span style="font-family: 'Calibri','sans-serif'; line-height: 200%;">Finally, children and even adults need to be educated on the dangers of global warming. Many schools do not make sure that their students are aware. (Aware of what?) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;">Shocking numbers of Americans couldn’t even tell you what fossil fuels are, or why greenhouse gasses are harmful (Do you have any proof of that?). People need to learn that our flora and fauna are being harmed – (a period would be nice here) they need to learn that “the global environment is changing so fast that thee slow evolutionary process of species adaptation (or natural selection) can’t keep up” (Source F). People need to learn that our economies will slum (using the word in the wrong context) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;"> if we keep doing this. People need to learn that soon, WALL-E may become a true story, and not just a PIXAR movie meant to entertain ﻿(what's the connection) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;"> (??). By educating today’s younger generations, we might have ﻿(can create) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;"> a greener tomorrow. Children who know ﻿ <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;">more (more about what) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;"> will be more inclined to do more as adults (you used more three times and did not specify what the "more" was, being too general) <span style="font-family: 'Calibri','sans-serif'; line-height: 200%;">. Leaders need to ensure that schools have environmental awareness programs, put out awareness ads, etc – anything they can to spread the word about global warming.

<span style="font-family: 'Calibri','sans-serif'; line-height: 200%;">Since global warming is becoming more and more prevalent on Earth, leaders need to acknowledge that it is a problem, propose polices to prevent it from going further, and educate young people about its dangers. Together, we can either make Earth impossible to live in or save Mother Nature along with our own skins – literally. (Does your conclusion relate to a larger point?)

<span style="font-family: 'Calibri','sans-serif'; line-height: 200%;">SAVE THE EARTH! < true.