Scientists encourage citizens to heed signs of climate change
How can carbon sequestration aid in the fight against climate change? Atmospheric carbon dioxide, and other greenhouse gases trap heat that is reflected from the earth’s surface. This heat buildup could lead to global warming. Through carbon sequestration, atmospheric carbon dioxide levels are reduced as soil organic carbon levels are increased. If the soil organic carbon is undisturbed, it can stay in the soil for many years as stable organic mat¬ter. This carbon is then sequestered, or removed from the pool available to be recycled to the atmosphere. This process reduces CO2 levels in the atmosphere, reducing the chances of global warming.
Rice estimated that 20 percent or more of targeted CO2 emission reductions could be met by agricultural soil carbon sequestration. In cropland, some steps farmers can take to reduce greenhouse gas include: reduce tillage; rotate crops so as to have less bare fallow and increased crop intensity; plant cover crops; use fertilizer efficiently; and use irrigation efficiently.
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