"浮游植物生活在海洋表面，在那里他们把二氧化碳释放到海里，同时放出氧气。
Phytoplankton live at the ocean surface, where they pull carbon dioxide into the ocean while giving off oxygen.
植物吸收二氧化碳释放我们呼吸的氧气。
Plants recycle carbon dioxide and create oxygen, which we need to breathe.
如果大气中的二氧化碳释放少一些，全球变暖就会慢下来。
If less carbon dioxide is released into the atmosphere, global warming will slow down.
城市居民人均二氧化碳释放量更低，规划师越能提高人口密度，效果就越好。
City dwellers’ emissions per person tend to be lower, and the more planners can do to increase population density the better.
他们把太多的二氧化碳释放到大气层中，这使得热量不能从地球上散发到太空中。
They are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth into space.
系统地研究了接触变质作用条件下二氧化碳释放规律，模拟计算了二氧化碳气的释放量。
The releasing rules of carbon dioxide under the condition of contact metamorphosis were systematically studied, and the releasing amount of carbon dioxide was calculated by modeling.
虽然作物将二氧化碳释放到空气中，但是他们仍有其他影响，例如改变其在土壤表面的蒸发量。
Plants take carbon dioxide out of the atmosphere, but they also have other effects, such as changing the amount of evaporation from the land surface.
它将监测光合作用和植物生长，而这些对计算二氧化碳释放和吸收(尤其是通过植物和海洋)的进程至关重要。
This will monitor photosynthesis and plant growth, which is critical for calculating the process by which carbon dioxide is released and absorbed, especially by plants and the oceans.
耕作还会将土壤中的二氧化碳释放到大气中，而免耕能够保持住土壤中的碳，并且避免机械设备释放吸热气体。
Tilling also releases carbon dioxide from the soil into the atmosphere. No-till keeps carbon in the soil and avoids the release of heat-trapping gases from motorized equipment.
中国，富含丰富的煤矿储藏，每年经济增长10%，开始赶超美国，成为世界最大的二氧化碳释放国。
China, with vast coal reserves and an economy growing at 10 percent a year, is set to overtake the United States as the world's biggest carbon emitter.
许多科学家利用对全球木炭中记录的信息的分析来研究气候、火灾，及其顺带而来的大气二氧化碳释放过程之间的关系。
Many scientists are analyzing the global record of charcoal to study relationships between climate, fire and the resulting addition of carbon dioxide to the atmosphere.
但是它们对地球却不怎么在意，它们把太多的二氧化碳释放到大气层中，这就阻碍了热量从地球上散发到太空中去。
But they are not taking care of the earth very well. They are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth into space.
植物在其生长期内不断吸收大气中的二氧化碳，当燃烧这些植物以获取能量及／或热量的时候，它们会将二氧化碳释放出来。
The carbon dioxide released when burning them to produce power and/or heat was extracted by the plant from the atmosphere during its lifetime.
相比之下人类燃烧煤、石油等活动所释放的二氧化碳的量是少的。
The amount of carbon dioxide released by human activities such as burning coal and oil is small in comparison.
他们从未提及农场和工厂生产食物所需要的燃料，以及所释放的二氧化碳。
They never refer to the fuel that farms and factories require to produce the food, and the carbon dioxide that releases.
正如我们所说，这些热液喷口正在向海洋深处释放这种强热的水，含有一种叫做硫化氢的化学物质，和一种气体，二氧化碳。
As we said, these hydrothermal vents are releasing into the ocean depth this intensely hot water that contains a chemical called hydrogen sulfide, and also a gas, carbon dioxide.
燃烧甲烷产生二氧化碳，然后释放到大气中。
The burning of methane generates carbon dioxide that is released into the atmosphere.
耕作翻土会释放二氧化碳，而运输车辆会排放废气。
Soil tilling releases carbon dioxide, and delivery vehicles emit exhaust.
空地的规模史无前例，它们将大量的二氧化碳气体释放到了大气中，因而引发了第一次人为导致的全球变暖。
The unprecedented land clearance released vast quantities of carbon dioxide into the atmosphere, triggering for the first time humanly caused global warming.
它们向空气中释放大量温室气体（尤其是二氧化碳）。这使得地球变暖。
They give off a lot of greenhouse gases (especially CO2) into the air. This warms the earth.
它们消耗二氧化碳，并释放氧气。
然而，大量的二氧化碳埋葬在地底，当你钻探时高温水带动涡轮机，这时二氧化碳通常会被释放出来。
There is, however, a lot of carbon dioxide underground, and when you drill for superheated water to turn your turbines, you often release it.
煤不仅仅是化石燃料中二氧化碳的最大释放源，更是最不清洁的能源。
Coal is not only the largest fossil fuel reservoir of carbon dioxide, it is the dirtiest fuel.
雨淋的破坏致使原本储存在树木中的二氧化碳气体释放到了大气中，而且排放量占全球温室气体排放总量的20%。
Rain forest destruction, which releases the carbon dioxide stored in trees, is estimated to account for 20 percent of greenhouse gas emissions globally.
树木可以吸收二氧化碳，并释放氧气，这非常重要。
Trees take in carbon dioxide from the air and make oxygen. That's important.
大多数生物燃料顶多达到碳平衡，即他们生长时吸收的二氧化碳与被制成生物燃料和燃烧后释放的二氧化碳等量。
Most biofuels are at best carbon neutral, emitting as much carbon dioxide when they're produced and burned as the biofuel crops take in as they grow.
过去十年的改变使得1700万公顷的森林得以从退化中保存下来，防止排放量为12亿吨的二氧化碳的释放。
The change over the last decade has seen 17m hectares of forest saved from degradation, preventing the release of 1.2bn tonnes of CO2 emissions.
过去十年的改变使得1700万公顷的森林得以从退化中保存下来，防止排放量为12亿吨的二氧化碳的释放。
The change over the last decade has seen 17m hectares of forest saved from degradation, preventing the release of 1.2bn tonnes of CO2 emissions.
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