According to the science report, as the environment pollution comes worse and worse, the discharge of CO2 is increasing, the temperature is increasing too. If it cannot be improved yet, at the middle age of this century, the iceberg and glacier of the Antarctica and the Arctic Pole will melt because of the "greenhouse effect", at that time, the sea level will rise and even submerge the land which we live on!

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Some geoscience experts put forward a subject of "past global change"to settle the problem that what change will occur in the earth surface environment under the durative influence of the greenhouse effect. The subject is expected to provide a reference system to forecast the future global change through the study on the typical Quaternary climate gyration, especially the study on the climatic environment pattern of the calefacient period.

為了研究在溫室效應(yīng)的持續(xù)影響下影音先锋在线资源网看，未來增溫時期的地球表面環(huán)境會出現(xiàn)何種改變，一些地球科學(xué)家提出了"過去全球變化"的研究課題日本aa，以期通過對第四紀(jì)時期典型的氣候旋回(冷-暖和干-濕的交替變化)免费观看中国A片,黄色视频，特別是增溫期的氣候環(huán)境格局的研究，為預(yù)測未來的全球變化提供一個參照體系日韩精品更新资源在线观看视频。

We now know that apart from destroying the ozone layer, CFCs contribute significantly to the greenhouse effect.

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Today's earth faces many a problem of environm en t and ecosystem:"greenhouse effect",chemical pollution,acid rain,sand dust dev il,went short of water wealth,water and soil bereave,soil fallen into desert,spe cies eradication,forest demolish,etc.

今天的地球面臨著許許多多的環(huán)境和生態(tài)問題，"溫室效應(yīng)"永久黄网站色视频免费APP下载、化學(xué)品污染久久久久精品视频这里只有精品、酸雨、沙塵暴免费观看国产黄页网站、淡水資源匱泛人人操人人莫人人干、水土流失、土地沙漠化一级A片全网免费观看、物種滅絕粉嫩人妻一区、森林破壞等等。

Greenhouse gas - GHG Gas that helps cause the greenhouse effect. Includes carbon dioxide, methane and chlorofluorocarbons.

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The greenhouse effect caused by CO2 accounts for 77% of all greenhouse gases.

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Even when it is no longer young; and there is very little of that to be found in the dahlias or the dry chrysanthemums; therefore the butterfly turned to the mint on the ground.

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And we also can plant tree and afforestation, avoid using wooden chopsticks used once only ,saving paper,protect grass and plants,let them absorb greenhouse gas to reduce greenhouse effect

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And we also can plant tree and afforestation, avoid using wooden chopsticks used once only ,saving paper,protect grass and plants,let them absorb greenhouse gas to reduce greenhouse effect protect environment from control carbon dioxide

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This paper presents both greenhouse gas and greenhouse effect;meanwhile,it illustrates CO2 concentrationvariation in atmosphere and CO2emission in the world.It is indicated that the main caus...

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