Key Points
Use of chemical fertilisers and animal waste on croplands soared deadly emissions of nitrous oxidea greenhouse gas more potent than carbon dioxide or methaneby 40 per cent between 1980 and 2020, according to a new report on Wednesday...
Led by researchers from Boston College, the report noted that in 2020 agricultural emissions reached 8 million metric tonnesa 67 per cent jump from the 4.8 million metric tonnes released in 1980...
In 2020 and 2021 nitrous oxide flowed into the atmosphere at a faster rate than at any other time in history, adding significantly to global warming, according to the report published in the journal Earth System Science Data...
Lead author Hanqin Tian, Professor at Boston College called for reducing nitrous oxide emissions from human activities to limit global temperature rise to 2 degrees Celsius as established by the Paris Agreement...
Alarmingly, the report showed that the atmospheric concentration of nitrous oxide reached 336 parts per billion in 2022, a 25 per cent increase over pre-industrial levels...
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