他们发现，飞机消耗的燃料减少了15%（同时二氧化碳排放量也减少了）。

They found that the aircraft consumed as much as 15% less fuel (coupled with a reduction in carbon dioxide output).

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"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.

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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).

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