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13th November 2017

Global CO2 emissions hit record high

After a three-year plateau, global emissions of carbon dioxide (CO2) have risen again, dashing hopes that a peak might soon be reached.


carbon emissions future timeline


Global carbon emissions are on the rise again in 2017 after three years of little-to-no growth, according to researchers at the University of East Anglia and the Global Carbon Project. It was previously hoped that emissions might soon reach a peak after three stable years, so the new projection for 2017 is an unwelcome message for policy makers and delegates at the UN Climate Change Conference (COP 23) in Bonn this week.

The research, published simultaneously in the journals Nature Climate Change, Earth System Science Data Discussions and Environmental Research Letters, reveals that human emissions of CO2 will reach 36.8 gigatonnes (Gt) in 2017, following a projected 2% rise in burning fossil fuels.

The figures point to China as the main cause of the renewed growth in emissions – with a projected growth of 3.5%. CO2 emissions are expected to decline by 0.4% in the US and 0.2% in the EU, smaller declines than during the previous decade. Increases in coal use in China and the US are expected this year, reversing their decreases since 2013.


carbon emissions future timeline


"Global CO2 emissions appear to be going up strongly once again after a three year stable period. This is very disappointing," said the lead researcher, Professor Corinne Le Quéré, director of the Tyndall Centre for Climate Change Research, UK. "Time is running out on our ability to keep warming well below 2°C let alone 1.5°C.

"This year, we have seen how climate change can amplify the impacts of hurricanes with more intense rainfall, higher sea levels and warmer ocean conditions favouring more powerful storms. This is a window into the future. We need to reach a peak in global emissions in the next few years and drive emissions down rapidly afterwards to address climate change and limit its impacts."

This announcement follows recent news from the World Meteorological Organisation that the atmospheric CO2 concentration reached 403ppm in 2016 and is expected to increase by 2.5 ppm in 2017.


carbon emissions future timeline



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