减少大气层中的二氧化碳含量极其重要。
Reducing levels of carbon dioxide in the atmosphere is of critical importance.
我们不能让大气中的二氧化碳无限制地升高。
大气中的二氧化碳和甲烷阻止热量向太空散发。
Carbon dioxide and methane in the atmosphere block the escape of heat into space.
树木可以吸收空气中的二氧化碳，阻止全球变暖。
事实上，研究表明40亿年前大气中的二氧化碳含量远远高于今天的水平。
In fact, studies indicate that four billion years ago, carbon dioxide levels in the atmosphere were much higher than today's levels.
第二，一旦完全进入睡眠状态，非快速眼动期间血液中的二氧化碳增加，氧气减少。
Second, once sleep is fully obtained, there is an increase of carbon dioxide and a decrease of oxygen in the blood that persists during NREM.
虽然后来的实验证实，这种方法增加了浮游植物的生长，但实地试验表明，这种生长不会显著降低大气中的二氧化碳。
While experiments subsequently confirmed that such a procedure increases phytoplankton growth, field tests have shown that such growth does not significantly lower atmospheric carbon dioxide.
当我们的太阳后来温度变得更高时，早期细菌持续清除大气中的二氧化碳和甲烷，使地球的气候不至于变得太热而无法维持生命的存在。
When our Sun later became hotter, the continued removal of atmospheric carbon dioxide and methane by early bacteria kept Earth's climate from becoming too hot to sustain life.
由于植物会将周围空气中的二氧化碳耗尽，因此需要空气流动将更多的二氧化碳带到其表面！
Since a plant uses it up in the air around, the plant needs moving air to bring more CO2 close to its surface!
地球大气层中的二氧化碳分子像一个单向屏一样影响着地球的热量平衡。
The molecules of carbon dioxide in the Earth's atmosphere affect the heat balance of the Earth by acting as a one-way screen.
与此同时，空气中的二氧化碳含量正迅速接近政府间气候变化专门委员会（IPCC）提出的上限。
In the meantime, the amount of CO2 in the air is rapidly approaching the limits proposed by the Intergovernmental Panel on Climate Change (IPCC).
对于打哈欠是由血液中的氧气减少或血液中的二氧化碳增加引起的这种观点，一些实验也同样提出了严重的质疑。
Experiments have also cast serious doubt on the belief that yawning is triggered by a drop in blood oxygen or a rise in blood carbon dioxide.
我们对化石燃料的依赖如此之深，已经排放到大气中的二氧化碳又是如此之多，以至于许多专家一致认为，目前情况下全球变暖是不可避免的。
Such is our dependence on fossil fuels, and such is the volume of carbon dioxide already released into the atmosphere, that many experts agree that significant global warming is now inevitable.
是不是因为我呼吸系统中的二氧化碳在作怪？
日本则在海上养殖藻类，以吸收空气中的二氧化碳。
In Japan, algae is farmed at sea where it absorbs carbon from the air.
香槟酒之所以美味，溶解在酒中的二氧化碳功不可没。
A key player in champagne's taste is its dissolved carbon dioxide.
浮游植物通过光合作用消耗空气中的二氧化碳产生氧气。
Photosynthesis by phytoplankton removes carbon dioxide from the air and produces oxygen.
其二是提取大气中的二氧化碳，将其储存在另外的地方。
The other is to suck carbon dioxide out of the atmosphere and put it somewhere else.
海洋中的二氧化碳主要是通过浮游水藻的光和作用所吸收。
The main way that carbon dioxide is absorbed by the ocean is through photosynthesis by planktonic algae.
而大气中的二氧化碳正是吸收热量导致地球气温上升的罪魁。
Carbon dioxide in the atmosphere helps to trap heat, which causes earth's temperatures to rise.
向海洋中倾倒铁以促进浮游生物生长来吸收大气中的二氧化碳。
Dump iron into the sea to boost plankton growth and soak up carbon dioxide from the atmosphere.
浮游植物担负着大部分将大气中的二氧化碳转移到海洋的任务。
Phytoplankton are responsible for most of the transfer of carbon dioxide from the atmosphere to the ocean.
其他方面的好处还包括减少大量的被排放到大气中的二氧化碳。
The benefits will also include cutting large amounts of carbon dioxide that would have been released into the atmosphere.
如果大气中的二氧化碳含量翻倍，那么全球的平均温度便会上升。
Double the amount of carbon dioxide in the atmosphere and the average global temperature will go up.
但是这无法稳定大气中的二氧化碳水平——而只能降低增加的速率。
But these will not stabilise levels of atmospheric carbon dioxide - only slow the rate of increase.
“我们排放到海洋中的二氧化碳越多，饱和点就会越浅”马修斯说到。
"The more man-made carbon dioxide we put into the ocean, the shallower those saturation points will become, " says Mathis.
形成一棵树所需的物质里，90%都来自于水分和空气中的二氧化碳。
More than 90 percent of the matter that makes up trees was once water and free-floating atmospheric carbon dioxide.
在不到一个半世纪后，我们把大气中的二氧化碳猛增到百万分之390。
In the scant century and a half since then, we've bumped atmospheric carbon dioxide up to 390 PPM.
当我们燃烧化石燃料时，空气中的二氧化碳含量提高，而氧气大大减少。
As we drive up levels of CO2 by burning fossil fuels, we also deplete oxygen.
当我们燃烧化石燃料时，空气中的二氧化碳含量提高，而氧气大大减少。
As we drive up levels of CO2 by burning fossil fuels, we also deplete oxygen.
应用推荐