Dioxide) (Nitrogen oxides) (Particulate matter) (Volatile organic compounds‚ e.g.‚ CH4) EC307 Resource and Environmental Economics‚ (Greenhouse gas) (Greenhouse gas) (Acid rain) (GG and AR) (Dust) (Greenhouse gas) Dr. Ricardo Gonzalez 2 Carbon dioxide (CO2): – 0‚0387% of the Earth atmosphere is CO2. – Very small variations may cause greenhouse effects on the atmosphere. – Most of the human activities related to consumption and production of energy emites CO2. – Petroleum‚ Coal
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these changes. Most of the warming of the past half century has been caused by human emissions of greenhouse gases. This gases act like a blanket or glass roof around the earth‚ trapping in heat that would otherwise escape to space – this is commonly referred to as the “greenhouse effect”. From the end of the last Ice Age about 10‚000 years ago to the end of the 18th century‚ the levels of greenhouse gases in the atmosphere remained fairly constant and at a level sufficient to sustain life as we know
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are a contributing factor. As the world population reaches 6‚606‚526‚224 (U.S. Census Bureau) for the year of 2007‚ it is hard to believe humans have no blame to the Earth ’s climate change. Global Warming is the cause of climate change‚ which the greenhouse gases stay on the earth ’s atmosphere and traps the heat. Since the Industrial Revolution from the seventeenth century‚ machines have dominated the world forever changing the climate. Man-made machines like the steam engine (trains)‚ factories‚
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Effects on human health Global warming Background Describe the Earth’s atmosphere. Describe the Earth’s energy budget. Global warming concepts What makes the Earth warm? – Explain the greenhouse effect. What natural greenhouse gases are associated with the greenhouse effect? What anthropogenic greenhouse gases contribute to global warming? The future Predicted climate‚ weather‚ and ocean changes of increased global warming Potential environmental‚
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What is global warming (aka �greenhouse effect‚� �climate change�)?� Sunlight arrives here on earth‚ giving us light.� Some of the light hits the ground‚ readily penetrating it‚ and then gets converted into heat radiation.� Now‚ the air has just a little bit of CO2 in it. That CO2 acts a bit like the glass in a greenhouse‚ or a sweater: it traps the heat‚ thus keeping the earth warm and comfortable.� But now we�re increasing the amount of CO2 and other greenhouse gases such as methane (natural
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Assessment Report 2007 • ‘Warming of the climate system is unequivocal’ • ‘Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations’ • ‘Continued greenhouse gas emissions at or above current rates would cause further warming and induce many changes in the global climate system during the 21st century that would very likely be larger than those observed during the 20th century’
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humans were emitting large amounts of greenhouse gases and even before humans were on planet Earth. Since humans were not alive during the period after the ice age (known as the post-ice age era)‚ then the heating of the Earth to melt the ice does not put humans at fault. Global warming is naturally caused by natural emission of greenhouse gases‚ Earth’s heating and cooling system‚ and other planets heating without human life on them. The Earth has its own greenhouse gas emission cycle‚ releasing billions
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acknowledge that earth’s climate has always been changing. Increasing emissions into the atmosphere of carbon dioxide and other greenhouse gases (such as methane) have created the so-called “greenhouse effect‚” leading to overall global warming. The intensity of solar radiation that correlates positively with global warming‚ provides alternative view to the carbon dioxide-greenhouse interpretation. Sea levels will rise by several meters by the end of the century‚ frequent violent storms will increase and
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Known for its wet climate and natural resources‚ the Northwest includes the states of Oregon‚ Washington‚ and Idaho. This vast land region made up of rugged shorelines‚ volcanic mountains‚ and green mountain sides all play a part in the climatic‚ social‚ and ecological diversity. Levels of carbon dioxide and other heat trapping gasses in the atmosphere are on the rise‚ warming the earth and are causing wide range impacts. These impacts include the rising sea levels‚ melting snow and ice‚ extreme
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Environmental Pollution Scenario SCI/256 June 26‚ 2013 University of Phoenix Pollution Scenario Cleveland Hts. Has a budget in the amount of $4.4m. The city is requesting a bike lane within the city. The purpose of the bike lane is to discourage residence from driving their car and to become environmental sociable. With pollution on the rise‚ the board felt biking could slow down the process. We can view below Cleveland budget and hope both parties can come up with ideas slowing the risks
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