The climate change science conference in Copenhagen next week is going to update the emerging and very concerning science since the release of the IPCC report last year: methane bubbling up from melting permafrost and from the Arctic ocean bed, ocean and forest greenhouse gas (GHG) sinks turning to sources, the previously underappreciated long life and long term effects of GHGs (akin to a financial deficit as a weight on future generations), the unpredicted and tipping point nature of the melting Arctic ice cap, the soaring increase in GHG emissions in spite of two decades of attempts at mitigation, and the already manifesting impact of rising temperature upon vulnerable species with a new appreciation of the threat of abrupt climate change to all species including man.
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