Reply To: Global warming is well underway

Permafrost soil blanketing northeastern Siberia contains about 75 times more carbon than is released by burning fossil fuels each year. That means it could become a potent, likely unstoppable contributor to global climate change if it continues to thaw.

thawing permafrost could have contributed to changing atmospheric carbon dioxide concentrations during past warming and cooling events in the earth’s history.

Global warming could accelerate from thawing Siberian permafrost