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The 51 pages that link to Nitrous oxide, each with the reason it gives.

• Greenhouse gas emissionsBroader topic: Fertilizer use and other human activities release this long-lived heat-trapping gas.

• Nitrogen fixationRelated: Reactive nitrogen added through fixation can later be converted into this potent gas.

• Nitrogen cycleRelated: Soil nitrogen transformations release nitrous oxide, linking the cycle to climate and atmospheric chemistry.

• NitrogenRelated: Agricultural nitrogen transformations release this potent climate pollutant.

• FertilizerRelated: Soil microbes can convert applied nitrogen into this potent greenhouse gas.

• UreaRelated: Nitrogen released from urea can contribute to soil nitrous oxide emissions.

• Nitric oxideCompared with: Unlike NO, nitrous oxide is relatively stable and has distinct medical and atmospheric effects.

• Global warming potentialBroader topic: Its persistence and strong heat absorption give it a high GWP.

• Greenhouse gasBroader topic: Fertilizer use makes it a major greenhouse-gas emission source.

• Nutrient pollutionRelated: Excess reactive nitrogen can increase nitrous oxide emissions from ecosystems.

• NitrificationRelated: Nitrifying microbes can release N₂O as a by-product, especially under certain conditions.

• Nitrogen oxidesCompared with: It is often grouped with nitrogen oxides by name but has different atmospheric behavior and effects.

• Vitamin B12 deficiencyRelated: Exposure can trigger functional B12 deficiency even when blood B12 appears adequate.

• KetamineCompared with: It can produce dissociation, but its chemistry and delivery differ from ketamine’s.

• Nitrogen fertilizerRelated: Soil microbes can convert fertilizer nitrogen into climate-warming nitrous oxide.

• Humphry DavyRelated: Davy’s experiments documented its pain-relieving effects and helped prompt later medical use.

• Nitrogen dioxideCompared with: Its formula and atmospheric role differ sharply from toxic, reactive NO₂.

• Diethyl etherCompared with: It offered an alternative to ether, particularly for brief procedures and dental pain relief.

• Oxygen minimum zoneRelated: Oxygen-poor waters can produce nitrous oxide, which may escape to the atmosphere.

• BiocharRelated: Biochar can alter soil nitrous oxide emissions, with effects varying by site and conditions.

• Soil carbon sequestrationCompared with: Some practices that build soil carbon can also change nitrous oxide emissions.

• Conservation tillageRelated: Changes in soil moisture and nitrogen cycling can affect emissions from reduced-tillage fields.

• Adipic acidRelated: Conventional nitric-acid oxidation of cyclohexanone and cyclohexanol can release this potent greenhouse gas.

• Tropospheric ozoneCompared with: Despite the similar name, nitrous oxide is a distinct molecule and is not ground-level ozone.

• Ether anesthesiaCompared with: Wells’s earlier attempts with nitrous oxide preceded Morton’s ether demonstration.

• History of anesthesiaRelated: Humphry Davy’s experiments with the gas helped inspire its use in surgery.

• Synthetic fertilizerRelated: Some applied fertilizer nitrogen is converted by soil microbes into this greenhouse gas.

• Faint young Sun paradoxRelated: It has been proposed as an additional greenhouse gas in an oxygen-poor early atmosphere.

• Minimum alveolar concentrationBroader topic: Its MAC is high, so it is often considered alongside more potent volatile anesthetics.

• Nitrous acidCompared with: Despite the similar name, it is a neutral oxide, not an acid or nitrite source by simple dissociation.

• Ostwald processRelated: It can form as a by-product of ammonia oxidation and escape from plants.

• Permafrost carbon feedbackRelated: Thawing soils may release this gas, adding a less-studied pathway to the feedback.

• Selective catalytic reductionRelated: Some SCR catalyst conditions can form nitrous oxide as an unwanted byproduct.

• Anesthesia machineRelated: It can be delivered as part of the machine's fresh-gas mixture.

• Horace WellsRelated: Wells used the gas to produce insensibility during dental extraction.

• Inhalational anestheticBroader topic: It can reduce the required concentration of a co-administered volatile anesthetic.

• James Young SimpsonRelated: Its use preceded Simpson’s experiments and formed part of the early search for inhaled pain relief.

• Whipped creamRelated: Charged dispensers dissolve gas in cream and release it as a rapid foam.

• Air–sea gas exchangeBroader topic: Ocean production and consumption can make the sea either a source or sink of it.

• CaprolactamRelated: Certain caprolactam production routes release nitrous oxide during hydroxylamine manufacture.

• CyclopropaneCompared with: It offered an inhaled alternative without cyclopropane's extreme flammability.

• SevofluraneCompared with: Nitrous oxide is a gas rather than a liquid volatile agent and is usually not sufficient alone for surgery.

• Aerosol propellantBroader topic: Its use in products such as whipped cream shows how propellant choice can suit a specific formulation.

• Agricultural pollutionBroader topic: Nitrogen fertilizer and manure can increase emissions of this long-lived gas.

• CyanocobalaminRelated: Exposure can cause functional B₁₂ deficiency that cyanocobalamin treatment may need to address.

• IsofluraneCompared with: It is often combined with isoflurane, but is not a substitute for its anesthetic potency.

• Charles Thomas JacksonCompared with: Wells’s nitrous oxide experiments offered a competing path toward painless surgery.

• AnestheticRelated: Its analgesic effects and limited anesthetic potency distinguish it from potent inhaled agents.

• Dinitrogen tetroxideCompared with: Its formula and reactivity differ sharply from those of N₂O₄ despite the similar name.

• History of fertilizerRelated: Nitrogen fertilizer use can increase emissions of this potent climate pollutant.