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UN warns carbon emissions must be zero by 2070 to prevent climate disaster - 19th November


‘Negative emissions’ are needed globally by the second half of the century to limit dangerous climate change.

The UN has warned that CO₂ emissions must be cut to zero by 2070 in order to keep global warming below dangerous levels.  All greenhouse gas emissions must fall to zero by 2100 in addition to this according to the United Nations Environment Programme (UNep) latest report otherwise the world will experience severe, widespread and irreversible effects from Climate Change. 

The report is based on the idea that the Earth has a finite carbon budget and a surge in emissions during the late 19th century means less than 1,000 Gigatonnes (Gt) of CO₂ is left to emit before the planet experiences dangerous temperature rises of more than 2˚C above pre-industrial levels.

Jacqueline McGlade, UNep’s Chief Scientist explained that scientific uncertainties surrounding the remaining carbon budget have diminished and the real uncertainty was whether politicians now had the will to act on the issue.

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