The so-called Copenhagen Diagnosis - a year in the making - documents the key findings in climate-change science since the publication of the Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report in 2007.
The 26 researchers that contributed to the report, including several scientists from the University of East Anglia, and the universities of Leeds and Exeter, conclude that without significant mitigation, global mean warming could reach as high as 7°C by 2100.
The report concludes that global emissions must peak then decline rapidly within the next five to ten years for the world to have a reasonable chance of avoiding the very worst impacts of climate change.
To stabilise climate, global emissions of carbon dioxide and other long-lived greenhouse gases need to reach near-zero well within this century, the report states.
‘We have already almost exceeded the safe level of emissions that would ensure a reasonably secure climate future. Within just a decade global emissions need to be declining rapidly. A binding treaty is needed urgently to ensure unilateral action among the high emitters,’ said co-author Prof Matthew England, a joint director of CCRC.
The full report is available at: http://www.copenhagendiagnosis.org
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