“Climate change: ‘Hothouse Earth’ risks even if CO2 emissions slashed”: BBC, reporting scientists’ fears

International scientific team warns of coalescing amplifying feedbacks from melting methane hydrates and other sources of emissions risks runaway effect.

Katherine Richardson from the University of Copenhagen, one of the authors, says: “We note that the Earth has never in its history had a quasi-stable state that is around 2C warmer than the preindustrial and suggest that there is substantial risk that the system, itself, will ‘want’ to continue warming because of all of these other processes – even if we stop emissions,” she said.“This implies not only reducing emissions but much more.”

These warnings have been made before, first nearly 30 years ago, and repeatedly since. For the history of the first decade of the warnings, see The Carbon War.

Image: Stockholm Resilience Institute

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