2044 A tipping point for permafrost melting Scientists had warned that a global average temperature rise of 2°C – occurring in the early 2040s* – was the maximum safe limit, beyond which climate change would race out of control. In earlier decades, tipping points were already being reached, such as the Arctic becoming ice-free during summer.* By 2044, an even greater and more serious threat is emerging in the form of greenhouse gases from melting permafrost.*
Posted on: Wed, 03 Jul 2013 17:55:32 +0000
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