Between heaven and earth, all things have spirits, among which the cycle of carbon is the source of carbon.

Watching the world, there are many carbon sources. Mountains, forests and trees, lush in spring, photosynthesize, absorb carbon and spit out oxygen. This is where carbon is absorbed. Then in autumn and winter, the leaves of wood wither, rot in the soil, and return carbon to the earth. This is also one end of the carbon source.

In rivers, lakes and seas, in water bodies, algae float and can also capture carbon. And the metabolism and death of aquatic organisms make carbon flow in water bodies, or sink in the bottom mud, or return to the atmosphere.

As for human affairs, farming, burning straw, carbon goes into the air with smoke. Industry flourishes, burning coal, oil and other fossil fuels, and carbon sources are poured into the atmosphere like springs, causing the carbon cycle to be unbalanced.

Therefore, by observing the flow of carbon sources and understanding their mechanisms, we can know the wonders of heaven and earth, and also find good strategies for protecting the ecology and the universe, so that the carbon cycle can return to normal, and all things coexist harmoniously.