English: This carbon cycle diagram shows the storage and annual exchange of carbon between the atmosphere, hydrosphere and geosphere in gigatons - or billions of tons - of Carbon (GtC).

• 中文(繁体):碳循环图，展示碳蕴藏量及每年碳在大气层、水界及陆界之间的流动，以十忆吨碳计算。