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The latest IPCC report does not account for Arctic methane release. There were too many variables and they decided to omit it and avoid being alarmist. This is
by ancientworldnow 9y ago
The latest IPCC report does not account for Arctic methane release. There were too many variables and they decided to omit it and avoid being alarmist. This is discussed on page 28 of WG1 AR5 SPM (the final 2013 IPCC policy maker report).