Levels of nitrous oxide, one of the top three greenhouse gasses, are still going up as is the usage of nitrogen-based fertilisers, global report shows.
Over the past three years ... we've seen an even faster growth rate of accumulation of N2O into the atmosphere, almost 30 per cent faster than the previous decade.
Nitrogen oxides are NO and NO2 (which is the cooling gases on the chart.
N2O (nitrous oxide) is a very strong greenhouse gas, third on the list of contributing to warming only because there's so much less of it compared to CO2 and methane.