Question

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根据美国能源部的一篇估计，在对流层（一般说的大气层）中，由水蒸气造成的温室效应，占到了95%。美国Virginia大学的环境科学教授Patrick J. Michaels博士也作出了同样的估计。
根据美国能源部提供的一个数据表，人造的二氧化碳的年度总产量为231亿吨，而人造与自然产生的二氧化碳的年度总量为7931亿吨。两者相除，人造部分占所有二氧化碳总产量的2.91%。
人造二氧化碳对于地球温室效应的贡献是千分之一多一点。造成地球温度变化的因素很多，决不止温室效应这一项。现在有多位科学家认为，宇宙射线，或者太阳活动周期，通过云量的变化，与地球温度的变化密切相关。真正的大气污染，各种粉尘颗粒等，阻碍了阳光辐射，造成气候变冷。而近几十年对环境污染的有效控制，有可能造成全球温度上升。

Answer 1

According to the department of energy's an article estimated, in the troposphere (general said atmosphere, water vapor caused by greenhouse effect, accounted for more than 95%. United States Virginia university of environmental science professor and j. Michaels dr estimate is to do the same.
According to the energy department provides a data sheet, man-made carbon dioxide in the total annual production for 231 million tons, and man-made and natural carbon dioxide from the annual total to 7931 million tons. Both XiangChu, artificial parts accounting for all carbon dioxide output 2.91%.
Man-made carbon dioxide for greenhouse contribution is a thousandth more. Earth's temperature changes caused by many factors, never stop the greenhouse effect this item.
Now many scientists think, cosmic rays, or solar activity cycles, through cloud changes with the temperature changes are closely related. The real atmospheric pollution, all kinds of dust particles, obstruct the radiation of the sun, causing climate change coldly. But the recent decades the effective control of environmental pollution, possibly resulting global temperatures rise.

Answer 2

According to the department of energy's an article estimated, in the troposphere (general said atmosphere, water vapor caused by greenhouse effect, accounted for more than 95%. United States Virginia university of environmental science professor and j. Michaels dr estimate is to do the same.
According to the energy department provides a data sheet, man-made carbon dioxide in the total annual production for 231 million tons, and man-made and natural carbon dioxide from the annual total to 7931 million tons. Both XiangChu, artificial parts accounting for all carbon dioxide output 2.91%.
Man-made carbon dioxide for greenhouse contribution is a thousandth more. Earth's temperature changes caused by many factors, never stop the greenhouse effect this item. Now many scientists think, cosmic rays, or solar activity cycles, through cloud changes with the temperature changes are closely related. The real atmospheric pollution, all kinds of dust particles, obstruct the radiation of the sun, causing climate change coldly. But the recent decades the effective control of environmental pollution, possibly resulting global temperatures rise.
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Answer 3

According to the department of energy's an article estimated, in the troposphere (general said atmosphere, water vapor caused by greenhouse effect, accounted for more than 95%. United States Virginia university of environmental science professor and j. Michaels dr estimate is to do the same.
According to the energy department provides a data sheet, man-made carbon dioxide in the total annual production for 231 million tons, and man-made and natural carbon dioxide from the annual total to 7931 million tons. Both XiangChu, artificial parts accounting for all carbon dioxide output 2.91%.
Man-made carbon dioxide for greenhouse contribution is a thousandth more.

Answer 4

According to an estimate by the US Department of Energy, water vapor in the troposphere (i.e. atmosphere) accounts for 95% of the total greenhouse effect. Patrick J. Michaels, professor of environmental science at Virginia University, has echoed that estimate.
According to a table provided by the Department of Energy, carbon dioxide emission by human activities has reached 23.1 billion tons annually, while the total amount of carbon dioxide produced both naturally and by human activities is 7,931 tons in a year. Dividing the latter with the former and we can see that manmade carbon dioxide accounts for 2.91% of its total amount.
Manmade carbon dioxide accounts for a bit more than one thousandth of global greenhouse effect. There are various reasons for the rise of global temperature, greenhouse effect being one of them. Many scientists today argue that cosmic rays and the solar cycle, through the changes in the cloud cover, are closely related to the variation of the earth’s temperature. And the real air pollution, for example those dust particles, is blocking radiation from the sun hence cooling the climate. It is the effective control over environmental pollution that may have caused global warming.