Sharjah24 – AFP: Greenhouse gas concentrations in the atmosphere reached new record levels last year, the United Nations said Monday in a stark warning ahead of the COP26 summit about worsening global warming.
The Greenhouse Gas Bulletin from the UN's World Meteorological Organization said the annual rate of increase last year was above the yearly average between 2011 and 2020 -- and the trend continued in 2021.
The WMO said the economic slowdown caused by the Covid-19 pandemic triggered a temporary decline in new emissions, but had no discernible impact on the atmospheric levels of greenhouse gases and their growth rates.
The organisation said that as long as emissions continue, global temperatures will continue to rise.
And given the long life of carbon dioxide (CO2), the temperature level already observed will persist for several decades even if emissions are rapidly reduced to net zero.
COP26, the UN Climate Change Conference, is being held in Glasgow from October 31 to November 12.
"The Greenhouse Gas Bulletin contains a stark, scientific message for climate change negotiators at COP26," said WMO chief Petteri Taalas.
"At the current rate of increase in greenhouse gas concentrations, we will see a temperature increase by the end of this century far in excess of the Paris Agreement targets of 1.5 to two degrees Celsius above pre-industrial levels.
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