地球上的“碳循环”，包括人类社会的排放在内，每年大约释放出3300 亿吨的二氧化碳，其中的大多数是被当代所谓的“碳汇”（是指从大气中清除二氧化碳的过程、活动或机制）吸收掉。

Including man-made emissions, the Earth’s “carbon cycle” releases about 330 billion tonnes of the gas each year.

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大型海藻养殖具有碳含量高、可计量、养殖过程可控制等优点，可以作为一种新型的碳汇产业。

Eucheuma sp., seaweed cultivation can be regarded as a new kind of carbon sink industry for its high carbon content, being quantifiable and controllable in the breeding process.

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