Earth and Planetary Sciences
5 years ago

Greenhouse gas emissions skyrocket despite global efforts to curb them

Nature Communications
Increase in global emissions of HFC-23 despite near-total expected reductions
Kieran M. Stanley, Daniel Say, Jens Mühle, C. M. Harth, Paul B. Krummel, Dickon Young, Simon O’Doherty, Peter K. Salameh, Peter G. Simmonds, R. F. Weiss, Ronald G. Prinn, Paul J. Fraser, Matthew Rigby

Paper Summary

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Global emissions of HFC-23, a harmful gas, were expected to drop significantly due to new regulations. However, emissions actually increased between 2015 and 2017, reaching record levels in 2018. This discrepancy suggests that the reported reductions may not have happened as planned, or there could be unreported production of another gas leading to more HFC-23 emissions.