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Climate Change In The 21st Century

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Scientists have studies Earth's climate changes for decades, by analyzing many indirect measures of climate such as ice cores, tree rings, glacier lengths, pollen remains, and ocean sediments, as well as by studying the change in Earth's orbit around the sun. This study shows the climate system changes over time over a full range time scales. However, before the Industrial Revolution in the 1700s can be explained climate change by natural causes, such as changes in solar energy, volcanic eruptions, and natural changes in greenhouse gas concentrations. Recent climate changes cannot be explained by natural causes alone. The study indicates that natural causes are not only influenced our climate change in the 21st century. Rather, it is extremely …show more content…

According to Environmental Defense Fund, "Burning fossil fuels such as coal or petroleum sends carbon dioxide, methane and other heat-trapping "greenhouse gasses" into the atmosphere. Gradually temperatures climb" When humans burn coal, oil, and gas to generate electricity or drive our cars, carbon dioxide is released into the atmosphere, where it traps heat. A carbon molecule that comes from fossil and deforestation is "lighter" than combined signal of those from other sources(EDF). As scientist measure the "weight" of carbon in the atmosphere over time, they see a gradually increase in the lighter molecules from fossil fuel and deforestation sources that correspond closely to the known trend in emissions(UCSUSA). Assume it like a thermal blanket around the Earth. "Chopping down vast swaths of forests, …show more content…

It filtered the sunlight through the atmosphere, light-colored surfaces could radiate some heat back into space. However, the Earth will keep most heat warms the planet's surface. The Earth also radiates some heat back into the atmosphere, which some of the heat will be trap by greenhouse gasses in the atmosphere, which including carbon dioxide. As the greenhouse gasses build up in the atmosphere, it will be thickening with more greenhouse gasses, which will trap more heat. As the more heat hold by greenhouse gasses, the temperate will rise, which cause climate change. First demonstrated of atmospheric carbon dioxide in warming the Earth's surface was Swedish scientist Svante Arrhenius over 100 years ago. Ever since scientific data have established at the time. Since then, scientists have recorded every change of temperature by analysis the atmospheric CO2. The record shows burning coals, oil and natural gas have emitted roughly 500 billion tons of CO2 that abort by the atmosphere since Industrial Revolution (NWF). For this reason, scientist believed burning coal and oil are biggest factors for recent climate change

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However some of that heat energy gets converted into infrared radiation and gets sent back to space. This is called the greenhouse effect because it resembles the way that a greenhouse works. We need the greenhouse gases because without them our planet would be too cold for plants to grow and without plants, there would be no oxygen for living organisms. But people are adding more greenhouse gases to our atmosphere. Whenever we drive our petrol cars, use electricity or manufacture a product in a factory, we use energy and a large portion of this energy comes from burning fossil fuels.

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The Iroquois were a very interesting read. Their value on peace and unity is a beautiful one. This idea of peace and unity between five different tribes quickly becomes a political structure. But how did that start? They are in close proximities which would make it convenient for them to live and organize amongst each other.

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It is evident since the advent of agriculture that human interaction has drastically altered the face of the earth. There is no doubt that human interaction is applying more and more pressure to the planet and to us humans as well, it is not only an issue of climate change. Drastic climate change can alter the world as we know it. Natural wonders, feats of humankind, and almost all infrastructure is threatened by the era we live in. In the modern age, we spend a great amount of time dedicated to discover the scope of the change humans have caused unto the Earth, it allows people to study patterns and possibilities while making observations.

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Annotated Bibliography: How Climate Change Is Affecting Our Planet Controversy statement: Climate change is been debated for over centuries now. People all around the world are taking action and reducing burning fossils to minimize the gasses in the atmosphere. Many people believe that climate change doesn't exists. But there are a lot of controversial topics that proves that climate change is real. In my opinion, climate change is slowly killing us and destroying our planet.

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Climate change is refers to the rise in average surface temperatures on earth, mostly due to the burning of the fossil fuels such as oil and coal, which emits greenhouse gases into the atmosphere which are primarily carbon dioxide, water vapor, methane, nitrous oxide, and chlorofluorocarbons (#02). In addition, other human activities, such as agriculture and deforestation, also contribute to the growth of greenhouse gases that cause climate change (#01). According to this, many have make their own conclusions on how are humans responsible for climate change and whether or not it is a real thing. Some people think and guarantee that climate change is real and it is happening at least in part because of human activity.

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When all these extra gases are released, carbon dioxide stars to accumulate in the atmosphere. Climate change is a global issue because when the temperature of the Earth changes even very slightly, it can cause droughts and our crops can die. This is affecting our food supply. Also, when water levels rise even slightly, it can be very destructive for

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By releasing this gas into the air the natural greenhouse gases increase and cause many effects to happen. Carbon dioxide is also caused by removing natural resources from the land for agriculture. When the Earth starts to warm many other things do to, the ocean will become more acidic and glaciers might partially melt. If the oceans become acidic, fish and other sea creatures will have an unlivable environment. If glaciers start to melt arctic animals that rely on the ice may start to become extinct.

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Deforestation: Good or Bad? By Tristan McDermott (Final Copy) Deforestation is a controversial environmental issue, with some people believing that it is necessary to cut down trees to make room for things such as buildings and roads, while others believe that it is bad because it is destroying the environment. I believe that deforestation, while it does have a few positive effects, mainly has negative effects that massively outweigh the positive effects. According to an article written by National Geographic, (https://www.nationalgeographic.com/environment/global-warming/deforestation/) deforestation is a major contributor to global warming: “Trees also play a critical role in absorbing the greenhouse gases that fuel global warming.

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Burning fossil fuels is one of the main culprits that causes climate change because it releases gases into the atmosphere that trap in heat and create the greenhouse effect. According to Klaus S. Lackner, the director of the Center for Negative Carbon Emissions and a professor in School of Sustainable Engineering at Arizona State University,”Dumping carbon dioxide and other greenhouses gases into the air raises their concentrations in the atmosphere and causes gradual warming.” This gradual warming is causing many horrific effects

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These gases retain heat on earth thus increasing the temperature above average. Different gases have dissimilar abilities to trap heat. Deforestation is also another important reason for global warming. Plants release oxygen and take in carbon, thus providing us a clean and healthy environment. But by deforesting the lands, the trees would emit the carbon stored in them from hundreds of years making the air impure.

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1. Introduction: Carbon dioxide (CO2) is one of the important green house gases (GHGs) emitted in the atmosphere through various human and natural activities. The human activities include rapid industrialization and urbanization, deforestation, excessive use of fertilizers in agriculture, excessive use of fuels, papers and many other manmade resources whereas natural activities include volcano eruption, forest fires, earthquakes etc. Emission of GHGs in the atmosphere leads to global warming which is one of the primary reasons behind the atmospheric changes that affect the human life directly or indirectly. The consequences of global warming are extremely harsh seasons, untimely rains, extended summers and floods that results in human deaths, destruction of flora and fauna in addition to the huge economical losses.

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871 Words | 4 Pages

According to the World Wildlife Fund, approximately twenty-seven soccer fields worth of trees are cut down per minute (Hook). Deforestation is a major environmental problem occurring all over the world. Trees are being cut down constantly for a number of reasons, which is greatly harming the environment. Deforestation is causing more and more problems in the world such as, global warming and loss of habitat. Trees are being cut down at a very fast rate and we need to do something about it before it is too late.

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Global climate change constitutes arguably the single most important threat to mankind. From the onset of the industrial revolution, greenhouse gas emissions (GHGs), including carbon dioxide (CO2) have increasingly built up in the atmosphere, causing the climate to warm up slowly but steadily (IPCC, 2014). NASA predicts that 2016 will mark the hottest year on record. The effects of global warming are ubiquitous: Greenland’s glacier and the Arctic ice cap are melting, ocean levels are rising, occurrences of extreme weather are increasing, including hurricanes and areas of either intense drought or flooding. Collectively, these changes and their direct consequences are an imminent danger and they directly affect other urgent issues humanity is

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Climate change is a change in global or provincial climate that changes over a time span of many years. Weather can change in just a few hours, But Climate change takes hundreds or even millions of years to change. Climate change is happening all around us. Whether it is the global temperature rise or the melting of the polar ice caps, it is happening.

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Climate change is an issue that is relevant in today 's world. There is a vast amount of evidence suggesting that climate change is real, and could potentially have a drastic impact on our planet if the necessary measures aren’t taken to stop and reverse its effects. Human decisions have led to global warming, and those choices are what will potentially harm not only us, but also our planet. One evidence for global warming can be seen in the significant change in the record of high and low temperatures on this planet “The number of record high temperatures have been increasing and the record of low temperatures have been decreasing since the 1950”(NASA). Regions that are already vulnerable to extreme temperatures can be further affected by a downward

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