Since global warming appeared during the last decade as a serious environmental issue‚ it has been the subject of a lot of debate. Global warming is defined as the warming of the earth by greenhouse gases emitted into the atmosphere. But there are many questions about global warming‚ from its causes to its effects. Many people even question whether or not global warming exists. And if global warming does exist‚ people question why it exists. Well‚ there are two different viewpoints. The believers
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GLOBAL WARMING One of the most strongly debated topics on our earth is the issue of climate change. Global warming and climate change is refer to an increase in average global temperatures. Natural events and human activities are believed to be contributing to an increase in average global temperatures. This is caused primarily by increases in “greenhouse” gases such as Carbon Dioxide (CO2) I. Effect There are two effects of global warming which is the environmental and social changes
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Global Warming Global warming is the increase of world’s average temperature‚ mainly in the sector of atmosphere‚ seas and the land on Earth. here are three serious factor‚ namely the crack on the lower part of atmosphere‚ pollution on Earth an so many green houses. The first factor is on the atmosphere. Recent years‚ many researches show that atmosphere has some kind of crack because of the heat from sun’s emission. The layer of atmosphere seems can not take the heat anymore. The crack gets larger
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Through the eyes of most scientists‚ global warming is seen as a very serious and severe threat. The actions taken by humans‚ such as industry and consumption of fossil fuels plus the increase in population and agriculture have played a big part in global warming. If something is not done soon the results could be very bad. By the middle of the twenty first century‚ there is evidence that the Earth will be warmer than it has been at any time in human history‚ and quite possibly since the
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Global warming You have probably heard about the phrase “global warming” hundreds of times. But what exactly does global warming means? Global warming is not about having a hot day or week or month in one part of the world. It has to do with the average temperature worldwide. Simply put‚ global warming is the unusual rapid increase in earth’s average temperature worldwide. The warming of the earth began in the mid 1800’s. In the beginning it was small and very slow but then in the 1980’s the
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Global Warming Global warming means a gradual increase in the Earth’s average lower atmosphere due to emissions and build up of greenhouse gases . Global warming is when the earth heats up and the temperature rises. It happens when greenhouse gases such as carbon dioxide‚ water vapor‚ nitrous oxide‚ and methane trap heat and light from the sun in the earth’s atmosphere‚ which increases the temperature. Most greenhouse gases are released by the burning of fossil fuels for heating‚ cooking‚ electrical
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Global Warming Global warming is and has always been one of the most controversial topics to speak about. Global warming is a gradual increase in the overall temperature of the earth ’s atmosphere‚ generally attributed to the greenhouse effect caused by increased levels of carbon dioxide‚ CFCs‚ and other pollutants. In the 21st century‚ global warming has become the most important environmental issue that require every Earth ’s citizen attention. Still‚ there are a lot of people do not believe this
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Global Warming: Origins‚ Effects‚ and Potential Solutions Since the dawn of the 19th century‚ civilization has been very dependent on the consumption of fossil fuels. Greenhouse gases‚ especially carbon dioxide‚ coming from these emissions plague our atmosphere. Greenhouse gases trap heat and prevent warmer air from escaping our atmosphere‚ which causes a containment of excess heat‚ thus causing a climate change; in this case‚ a rise in temperature. There has been large amounts of debate on whom
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Global warming is the increase in the average temperature of the Earth’s near-surface air and oceans in recent decades and its projected continuation. Global average air temperature near the Earth’s surface rose 0.74 ± 0.18 °C (1.3 ± 0.32 °F) during the past century. The Intergovernmental Panel on Climate Change (IPCC) concludes‚ "most of the observed increase in globally averaged temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas
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Global warming means a gradual increase in the Earth’s average lower atmosphere due to emissions and build up of greenhouse gases . Global warming is when the earth heats up and the temperature rises. It happens when greenhouse gases such as carbon dioxide‚ water vapor‚ nitrous oxide‚ and methane trap heat and light from the sun in the earth’s atmosphere‚ which increases the temperature. Greenhouse gases are released mostly by the burning of fossil fuels for transportation‚ heating‚ electrical
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