Reflection 2
After the first reflection I learned how to write an essay about a problem and the solutions and also I learned how to make inline citations professionally and the references . Also my writing is better. This course was easy and simple, not like what I was thinking about. I think the course is very useful because we learned how to do research.
Wednesday, May 25, 2011
Global Warming
Introduction
Global warming is an increase in the average temperature of oceans and air near the Earth’s surface. This type of situation arises when the greenhouse gases such as methane, carbon dioxide and nitrous oxide trap light and heat from sun in the atmosphere of the earth. The increase in the temperature of the earth’s surface has been observed from the middle of the 20th century. These gases are the result of the human activities like burning of fossil fuels, deforestation etc. Depletion in the ozone layer occurs due to the global warming. The number of skin diseases increases due to the ozone layer depletion.
Causes of climate changing
The main cause of climate change is the greenhouse effect. A layer of greenhouse gas is created around the earth’s surface which allows sunlight to enter but blocks the heat from escaping and this results in rise a in the temperature of the earth. Another cause is deforestation. Plants have the ability to store carbon dioxide but due to deforestation carbon dioxide levels increase. When plants decay it releases carbon back into the atmosphere. Methane, a hydrocarbon gas, is one of the reasons of climate change. This gas is produced from both human activity like rice cultivation, agriculture etc, and natural sources like volcanic eruptions. Nitrous oxide is a powerful greenhouse gas which is released from the use of organic and commercial fertilizers, biomass burning, metric acid production and fossil fuel combustion. The presence of chlorofluorocarbons is very small in the atmosphere but its contribution is very large in the depletion of the ozone layer. (causes of climate changes)
Consequences of climate changing
Scientists of the IPCC estimate that the temperature of the earth’s surface increased by 0.6° Celsius during the last 100 years. This may not sound very dangerous but one degree rise will definitely affect the earth. The sea level rose by 15 cm during the 20th century due to the melting of glacier ice. It is estimated that during the 21th century it may rise up to 59 cm and that affects coastal communities. The summer thickness of Arctic ice gets reduced to half of what it was in the year 1950. Intense rainfall occurs in some areas and results in the situation of flooding. The number of hurricanes has increased since 1970 in the Atlantic areas. Another consequence is the extreme drought. The rate of evaporation has increased due to the high temperature which results in the extreme drought in some parts of the world. (consequences)
Solution for the climate changing
The first solution to this problem is more use of renewable resources like wind, biofuels , solar energy , waves etc, instead of fossil fuels. These energy sources do not eliminate carbon dioxide in the environment. Governments have to make several policies in order to reduce the use of coal, gasoline, carbon producing products etc. Government should use natural gas for generating electricity instead of coal. It is not the responsibility of governments only but human should also contribute. People should use public transport for long distances. Grow more trees in your locality. Compact fluorescent is another option for the incandescent light. (solution for climate changes)
Conclusion
The climatic condition is changing drastically due to global warming. The cases of skin diseases, asthmatic problem, and skin allergies are increasing day by day. The numbers of human deaths are increasing. Various awareness programs should be organized by government so that common people can receive the information about the environmental problems easily.
References
1. Causes of climate change. (2010). Retrieved January 30, 2011, from http://climate.nasa.gov/causes/
2. Effects of climate change. (2010). Retrieved January 30, 2011, from http://climate.nasa.gov/effects/
3. Solution for climate change. . (2010). Retrieved January 30, 2011, from http://www.ourclimate.net/
Global warming is an increase in the average temperature of oceans and air near the Earth’s surface. This type of situation arises when the greenhouse gases such as methane, carbon dioxide and nitrous oxide trap light and heat from sun in the atmosphere of the earth. The increase in the temperature of the earth’s surface has been observed from the middle of the 20th century. These gases are the result of the human activities like burning of fossil fuels, deforestation etc. Depletion in the ozone layer occurs due to the global warming. The number of skin diseases increases due to the ozone layer depletion.
Causes of climate changing
The main cause of climate change is the greenhouse effect. A layer of greenhouse gas is created around the earth’s surface which allows sunlight to enter but blocks the heat from escaping and this results in rise a in the temperature of the earth. Another cause is deforestation. Plants have the ability to store carbon dioxide but due to deforestation carbon dioxide levels increase. When plants decay it releases carbon back into the atmosphere. Methane, a hydrocarbon gas, is one of the reasons of climate change. This gas is produced from both human activity like rice cultivation, agriculture etc, and natural sources like volcanic eruptions. Nitrous oxide is a powerful greenhouse gas which is released from the use of organic and commercial fertilizers, biomass burning, metric acid production and fossil fuel combustion. The presence of chlorofluorocarbons is very small in the atmosphere but its contribution is very large in the depletion of the ozone layer. (causes of climate changes)
Consequences of climate changing
Scientists of the IPCC estimate that the temperature of the earth’s surface increased by 0.6° Celsius during the last 100 years. This may not sound very dangerous but one degree rise will definitely affect the earth. The sea level rose by 15 cm during the 20th century due to the melting of glacier ice. It is estimated that during the 21th century it may rise up to 59 cm and that affects coastal communities. The summer thickness of Arctic ice gets reduced to half of what it was in the year 1950. Intense rainfall occurs in some areas and results in the situation of flooding. The number of hurricanes has increased since 1970 in the Atlantic areas. Another consequence is the extreme drought. The rate of evaporation has increased due to the high temperature which results in the extreme drought in some parts of the world. (consequences)
Solution for the climate changing
The first solution to this problem is more use of renewable resources like wind, biofuels , solar energy , waves etc, instead of fossil fuels. These energy sources do not eliminate carbon dioxide in the environment. Governments have to make several policies in order to reduce the use of coal, gasoline, carbon producing products etc. Government should use natural gas for generating electricity instead of coal. It is not the responsibility of governments only but human should also contribute. People should use public transport for long distances. Grow more trees in your locality. Compact fluorescent is another option for the incandescent light. (solution for climate changes)
Conclusion
The climatic condition is changing drastically due to global warming. The cases of skin diseases, asthmatic problem, and skin allergies are increasing day by day. The numbers of human deaths are increasing. Various awareness programs should be organized by government so that common people can receive the information about the environmental problems easily.
References
1. Causes of climate change. (2010). Retrieved January 30, 2011, from http://climate.nasa.gov/causes/
2. Effects of climate change. (2010). Retrieved January 30, 2011, from http://climate.nasa.gov/effects/
3. Solution for climate change. . (2010). Retrieved January 30, 2011, from http://www.ourclimate.net/
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