|Molar mass||44.013 g/mol|
|Lifetime in atmosphere||121 years|
|Global Warming Potential over 100 years||298|
|Estimated emissions in 2008||10,700 Gg|
|Atmospheric concentration in September 2013||325,924 ppt|
Nitrous oxide is not subject to the EU Waste Incineration Directive. But it is a greenhouse gas, with a global warming potential nearly 300 times that of carbon dioxide.