Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands

Permafrost – the perpetually frozen foundation of the north – isn’t so permanent anymore, and scientists are scrambling to understand the pros and cons when terra firma goes soft.

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<p><a href="http://www.physorg.com/news105891670.html">Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands</a></p> <p>Permafrost – the perpetually frozen foundation of the north – isn’t so permanent anymore, and scientists are scrambling to understand the pros and cons when terra firma goes soft.</p>