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Message definition (Fertilizer ) ====Contribution to climate change==== {{See also|Greenhouse gas emissions from agriculture}} The amount of [[greenhouse gas]]es [[carbon dioxide]], [[methane]] and [[nitrous oxide]] produced during the [[Haber process|manufacture]] and use of nitrogen fertilizer is estimated as around 5% of [[anthropogenic greenhouse gas emissions]]. One third is produced during the production and two thirds during the use of fertilizers. Nitrous oxide emissions by humans, most of which are from fertilizer, between 2007 and 2016 have been estimated at 7 million tonnes per year, which is incompatible with limiting global warming to below 2 °C.
気候変動への寄与
窒素肥料の製造 および使用中に生成される温室効果ガス (二酸化炭素 、メタン 、亜酸化窒素 )の量は、人為的な温室効果ガス排出量 の約5% と推定されている。そのうち3分の1は生産中に、3分の2は肥料の使用中に生成される。人間による亜酸化窒素排出量(そのほとんどは肥料に由来)は、2007年から2016年の間に年間700万トン と推定されており、これは地球温暖化を2°C未満に制限することと両立しない。