The carbon cycle is a complex thing. There is carbon in the air (carbon dioxide), carbon in plants and animals, dissolved carbon in the sea and carbon in the soil that is constantly circulating to and from. Elevated levels of atmospheric carbon dioxide may accelerate carbon cycling and soil carbon loss in forests, as found in new research led by an Indiana University
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nitrogen
Levels of nitrogen in the East China Sea, Yellow Sea, and Sea of Japan have risen sharply over the last 30 years because of growing industrial and agricultural pollution, according to a new study in the journal Science.
Analyzing data from the 1980s to the present,