A study by Ph.D. student Lisa Curti explored the preservation of organic carbon in the natural environment because of its importance in the global carbon cycle, which controls Earth’s climate. Called “Carboxyl-richness controls organic carbon preservation during coprecipitation with iron (oxyhydr)oxides in the natural environment,” published in Communications Earth & Environment, the paper shows for the first time that carboxyl groups can enhance carbon preservation by strongly sticking to iron mineral surfaces and once linked together carbon can be locked away from the atmosphere for hundreds to thousands of years.
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Source: Phys.org