Tag: melting permafrost in the arctic

Have we hit the tipping point on climate change?  For example, has the melting permafrost in the Arctic released so much methane that a runaway feedback loop has been established? As suggested at left, an analogous question could be asked …

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There are two issues associated with the melting permafrost in the arctic, and, at this point it’s hard to know which will be the deadlier.

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