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小木虫论坛-学术科研互动平台 » 科研生活区 » English Cafe » Affective interaction » How pollution is changing the ocean’s chemistry --- Triona Mcgrath, TED
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李在弦

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[交流] How pollution is changing the ocean’s chemistry --- Triona Mcgrath, TED

As the speaker said, ocean provides food, including 20 percent of protein to feed the human population, jobs, medicine, and so on. Ocean also provides half oxygen we human beings breathe, moderates our earth’s climate.
Although ocean is very vast, covering two thirds of our planet, it is affected by human pollution, worse and worse. 25 percent of carbon dioxide in the air, one of the green houses that lead to climate change, is dissolved in the ocean, which is changing the ocean’s chemistry. When carbon dioxide dissolves in the ocean, it increases the ocean’s acidity, the process of which is called acidification. As the ocean’s acidity increases, many bad things happen. For example, corals will be dissolved, like some kind of sea creatures’ shell, which provide food to many kinds of sea animals. Then the ocean’s food chain may be changed, too (not from the speaker). As the speaker showed, acidification of ocean is getting faster, and is not easy to recover.
All we can do now, is reducing emission of carbon dioxide and decreasing the speed of acidification of ocean.
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236839923

铁杆木虫 (正式写手)
just recite it

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李在弦

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引用回帖:
2楼: Originally posted by 236839923 at 2017-12-17 19:14:52
just recite it

3楼2017-12-17 20:57:01
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okairen

新虫 (小有名气)
It is a good article with simple words, I like to remember it anf recite it.
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4楼2017-12-20 04:03:08
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李在弦

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引用回帖:
4楼: Originally posted by okairen at 2017-12-20 04:03:08
It is a good article with simple words, I like to remember it anf recite it.

greenhouse gases
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我是一只小蜜蜂，从来不怕风……嗡——嗡——嗡——
5楼2017-12-20 12:26:01
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参差十万人家

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i'm glad that most of us has realized the question ,and  i also believe we can do more to help us get rid of this dilemma
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工欲善其事必先利其器
6楼2018-01-02 11:36:01
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药师1206

金虫 (正式写手)
Civilization is like cancer. It just consume more and more resources, and finally kills the organism. If  we keep polluting the environment, we will Mother Earth some day,
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7楼2018-01-04 17:19:08
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李在弦

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引用回帖:
7楼: Originally posted by 药师1206 at 2018-01-04 17:19:08
Civilization is like cancer. It just consume more and more resources, and finally kills the organism. If  we keep polluting the environment, we will Mother Earth some day,

8楼2018-01-04 18:45:44
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