Summary #442

Permafrost collapse is accelerating carbon release, say scientists

rcinet.ca
  • According to a study published in Nature, the frozen ground or permafrost of the northern hemisphere is thawing faster than scientists expected.
  • During this process the carbon dioxide contained in the frozen ground is released into the atmosphere, intensifying the greenhouse effect.
  • Emissions of carbon to the atmosphere can reach up to more than 50% of what was estimated.
  • The melting of permafrost also releases methane into the atmosphere which contributes to further increase the greenhouse effect.
  • Also, this phenomenon is altering the natural landscape of the Arctic.

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