The increase in carbon in the atmosphere is likely to affect coastal areas like those in North Carolina is that erosion and flooding are likely to increase.
Carbon is termed as the important gas in earth's atmosphere. It is important in biogeochemical and carbon cycle whereby carbon is exchanged between soil, rocks, earth's ocean and biosphere.
It is from atmospheric carbon dioxide and water by process of photosynthesis where photoautotrophs and plants use energy from solar to produce carbohydrate.