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Nitrogen Oxide (NOₓ) Emissions
WorldPhysical EnvironmentSocial / HealthEconomicTotal annual emissions of nitrogen oxides by country
A map showing nitrogen oxide emissions in kilotons per year. Dark red indicates more emission, seen in the U S A and China. Medium red represents medium emission, such as in Russia. Light orange shows less emission, like in Greenland.
Countries | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Class | Rank | Kilotons per year | Value | Class | Rank | Percent | Arctic Cordillera | Tundra | Taiga | Hudson Plain | Boreal forests | Northwestern forested mountains | Eastern temperate forests | Great Plains | Deserts and steppes | Mediterranean California | Southern semi-arid highlands | Temperate sierras | Tropical dry forests | Tropical wet forests | |
| 1.08% | 3.57% | 4.43% | 2.73% | 12.4% | 5.44% | 22.2% | 10.2% | 1.91% | 1.48% | 4.09% | 2.82% | 1.51% | 11.2% | ||||||||
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