Fossil fuel combustion is the main contributor to black carbon around Arctic. An international team conducted study at sites in Russia, Canada, Sweden and Norway. It showed that fossil fuel combustion is responsible for most of the black carbon in the Arctic (annually around 60 percent)

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Fossil fuel combustion is the main contributor to black carbon around Arctic. An international team conducted study at sites in Russia, Canada, Sweden and Norway. It showed that fossil fuel combustion is responsible for most of the black carbon in the Arctic (annually around 60 percent)