Developed countries have created many environmental problems in the world, particularly in thier contribution to global warming. Why is global warming a problem? What can be done to reduce the dangers of global warming?

In contemporary society, There are many vital problems that humans must face , especially global warming,

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essay will discuss the detail that why global warming become a serious

problem

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and the suggestion from my opinion.

First

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of all, Global warming is the

phenomenon

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that makes our earth become hotter or has more disasters.

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problem

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occurs through human activities ,

for instance

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, cutting

trees

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down, releasing chloro-fluorocarbon gas into the environment or air,

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gas will gather together and become a layer in the atmosphere of our world,

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action will not allow the energy, like heat, to pass through, it's called "greenhouse effect".

Moreover

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,

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phenomenon

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will affect many parts of the world, the melting ice in the north pole, and the extinction of some species because of the overheating temperature.

On the other hand

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, many researchers tell us that the solution to

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problem

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will take a very long time. Meanwhile, we must not harm the environment much more than in the past.

However

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, there are many effective ways to help our world,

for example

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, using the 5-R principle, including "reuse", "reduce", "repair", "recycle", and "repurpose". Planting new

trees

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is

also

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a way to help too because

trees

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can change the carbon dioxide, which is the factor that helps chloro-fluorocarbon gather, into oxygen, the gas that humans use in the respiratory system. To summarize, global warming is a

phenomenon

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that occurred through human activities, so humans must be contributing to reducing the dangers of

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phenomenon

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by ourselves, planting more

trees

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or reducing to use of more plastic is the most effective way to solve

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problem

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. What is your opinion about

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problem

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?