Citizen G'kar: Musings on Earth

December 07, 2009

Arctic Climate Threat--Methane from Thawing Permafrost

This diagram shows how the greenhouse effect w...Image via Wikipedia

Do you think global warming can wait until a consensus develops about what to do? Think again!

Arctic Climate Threat--Methane from Thawing Permafrost: Scientific American

  • Methane bubbling up into the atmosphere from thawing permafrost that underlies numerous Arctic lakes appears to be hastening global warming.
  • New estimates indicate that by 2100 thawing permafrost could boost emissions of the potent greenhouse gas 20 to 40 percent beyond what would be produced by all natural and man-made sources.
  • The only realistic way to slow the thaw is for humankind to limit climate warming by reducing our carbon dioxide emissions."

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