Monday, September 24, 2007

For us and future generations.-Min



The global warming is getting worse. Climatic conditions are changing rapidly. This phenomenon is threatening us, animals, and nature. We should know what the global warming is, how it affect to the earth, and what we have to do.


Our earth takes sun's radiation. Some of The radiation absorbed and warming the earth is re-radiated back into space in the form infrared radiation. Some of the outgoing infrared radiation is trapped inside the atmosphere. But the problem is that this thin layer of atmosphere is being thickened by all of the global warming pollution that is being put up there. It makes layer of atmosphere thicker and thicker. More of the outgoing infrared is trapped. So the atmosphere heats up our earth. This is the global warming.


The reason why we have to concern about global warming is this has a tremendous effect on our existence. You might hear the fact that the increasing of CO2 turns the temperature of earth goes up. It's true. The increasing of CO2 and temperature fit together. The important thing is CO2 level has never gone above 300 parts per million for 650,000 years but CO2 and temperature have been increased enormously during developing period. At this point, we must keep in mind the truth that it will continue to go up in the next 50 years. Because of this, the glaciers which are located lots of places have been melting rapidly. For example, we can see only little glaciers at Mount Kilimanjaro, Glacier National Park, Himalayas, and Alps. The people who get lots of water for drinking from glaciers are in trouble.


We remember the Katrina that damaged to lots of structures and took lots of lives. The reason that occurred such a big hurricane is high temperature. The global warming makes temperature increases and as the water temperature increases, the wind velocity increases and the moisture content increases. That causes stronger storms. We can expect more dangerous storms every single year. Nobody wants that kind of disaster.


The nature has been crazy. The enormous floods have occurred lots of places. It killed a lot of people and caused billions of dollars worth of damage. I can tell more surprising fact. There are also lots of drought areas near by flood places. What a cruel disaster! And more, there are people who died from heat wave. There is no safe place from global warming.


The global warming melts ice of the Arctic and the Antarctic. Since 1970, there was a precipitous drop off in the amount and extent and thickness of the arctic ice cap. It has diminished by 40 percent in 40 years. In the next 50 or 70 years in summertime it will be completely gone. The creatures such as polar bears that depend on the ice have been drowned. Let me bring point to the Antarctic. If all of the Antarctic ice melts, most of land near the ocean is going to be submerged. This phenomenon occurs from dropping off land based ice. If the floating ice melts, the sea level wouldn't change but land based ice can raise the sea level about 20 feet. It is the same way which a cube sitting atop a stack of ice cubes melts and flows over the edge of the glass. It makes a cruel disaster which causes plenty of refuges. The truth which we ignore even though we know its serious problems has destroyed the nature.


In this situation, How can we solve this problem? Here are some suggestions. Firstly, we can produce and purchase goods which can reuse and recycle. Moreover, we have to develop the renewable technology. A lot of garbage that have usually been burned is discharging lots of CO2 at this time. This CO2 emission also causes serious global warming. The second thing is about vehicles. we should reduce using own cars. There are numerous cars as same as population of earth. The CO2 which is from cars have been helping to make atmosphere thicker. Our eccentric life style which is about using cars threatens our lives. We must take public transportations as possible as we can. Nowadays, we can buy hybrid cars which are efficient and not harmful to the nature. Finally, If we use more efficient electrical appliances, we can reduce amount of CO2 emissions.


It is important that we have to change our mind from conscience not political ways to show real four seasons to our descendants. We have been experienced horrible and terrible disasters and It is going to be worse. The human being's rapid development doesn't mean an affluent society but is connecting with word of destruction. Fortunately, the solutions are in our hands. We can reduce our carbon emissions to zero. Overall, we are not owner of the earth. We have just borrowed this blue planet so, there is obligation that we must keep the blue planet clean. We have to keep the pale blue dot which is in the universe for us and future generations.




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Thank you for your comment, Mark.