Greenhouse Effect and Global Warming Today‚ at the down of 21st century‚ together with the 20th century‚ especially the second half‚ is the time when Earth’s environment change at the very rapid rate. Humans have lived on this planet for thousands of years. I think now is the time to think how do we impact the place where we live‚ and the only place where we can live. The impact of human race on the natural processes of our planet has now reached the levels that are now global‚ not local
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GREENHOUSE EFFECTS IntroductionThe greenhouse effect is a process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases‚ and is re-radiated in all directions. Since part of this re-radiation is back towards the surface and the lower atmosphere‚ it results in an elevation of the average surface temperature above what it would be in the absence of the gases.[1][2] Solar radiation at the frequencies of visible light largely passes through the atmosphere to
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English 11 March 9‚ 2015 The Greenhouse Effect Without the greenhouse effect the temperature of this planet would decrease by at least 30 degrees celsius‚ and it would be too cold for us to survive. The light we receive from the sun keeps our atmosphere warm. The earth only absorbs 30% of the sunlight because the other 70% is reflected back into space‚ and is absorbed by greenhouse gases. These gases act like a mirror‚ and reflect heat back to earth. The major greenhouse gases are carbon dioxide
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<b>The Greenhouse Effect</b> <br>The earth’s climate is predicted to change because human activities are altering the chemical composition of the atmosphere through the build up of greenhouse gases primarily carbon dioxide‚ methane‚ and nitrous oxide. <br> <br>Energy from the sun drives the earth’s weather and climate‚ and heats the earth’s surface. This causes the earth to radiate the energy back into space. Atmospheric greenhouse gases (water vapour‚ carbon dioxide‚ and other gases) trap some
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The greenhouse effect is an effect on the atmosphere as a result of the presence of a certain gases called greenhouse gases which are made up of carbon dioxide‚ chlorofluorocarbons‚ methane‚ nitrous oxide‚ low-level ozone and water vapour. Greenhouse gases in the atmosphere are similar to the greenhouse glass panes which trap the heat and warm the greenhouse. When the greenhouse effect occurs‚ sunlight enters the Earth’s atmosphere and while some solar radiation is reflected back to space
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would be below the freezing point of water. The gases have this effect because as incoming solar radiation strikes the surface‚ the surface gives off infrared radiation. The effect is comparable to the way in which a greenhouse traps heat and that is how we got the name greenhouse
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Introduction: The presence of greenhouse gases in the Earth’s atmosphere last year reached its highest levels since pre-industrial times‚ a report released by the United Nations World Meteorological Organization (WMO) warns recently. Even if we managed to halt our greenhouse gas emissions today‚ and this is far from the case‚ they would continue to linger in the atmosphere for decades to come and so continue to affect the delicate balance of our living planet and our climate. The latest
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Well‚ based on my research‚ wind energy is the result of the sun’s energy interacting with the earth’s surfaces. It is also an ideal renewable energy source that is infinitely sustainable; pollution free; doesn’t use fuel; and doesn’t produce greenhouse gases‚ toxic or radioactive waste. This type of energy is considered a green power technology because it has minor impacts on the environment. When using wind to generate electricity we use machines known as turbines and this turbines use blades
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Work: CO2 and the Greenhouse Effect Greenhouse gases and global warming have received increasing attention in recent years. The identification of the ozone hole in 1985 combined with unusual fluctuations in global temperatures have combined to capture the eye of the global media. Recent scientific study and analysis of the greenhouse gases has added to this interest. Greenhouse gases in the atmosphere have an important influence on the climate of our planet. Quite simply‚ greenhouse gases hinder the
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5.2 The greenhouse effect Fossilization 5.2.1 Diagram of carbon cycle and processes involved. Respiration & metabolism Photosynthesis: the process of converting light energy to chemical energy and storing it in the bonds of sugar. Respiration: the release of energy from food and it takes place in animal and plant cells. Combustion: the process in which a substance reacts with oxygen to give heat and light. 5.2.2. Analysis of change in concentration of atmospheric CO2 with records
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