CO₂: Difference between revisions

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Carbon dioxide (CO₂) is created when carbon-based fuels (diesel oil, natural gas [methane], gasoline/petrol, wood, “biofuel”, etc.) are burned. The carbon combines with oxygen in the air to create CO₂. CO₂ in the atmosphere is a so-called “greenhouse gas”, which helps to keep the Earth warm and livable. Other greenhouse gases include methane (CH₄) and nitrous oxide (N₂O or NOx).
Carbon dioxide (CO₂) is created when carbon-based fuels (diesel oil, natural gas [methane], gasoline/petrol, wood, “biofuel”, etc.) are burned. The carbon in the fuels combines with oxygen in the air to create CO₂ along with heat. CO₂ in the atmosphere is a so-called “greenhouse gas”, which helps to keep the temperature of the Earth livable. Other greenhouse gases include methane (CH₄) and nitrous oxide (N₂O or NOx).


CO₂ in excess of what can be naturally cycled by, e.g., plants and seawater, persists in the atmosphere for hundreds – or even thousands – of years. (CH₄ persists ~10 years, and N₂O ~100 years; another difference among these greenhouse gases is that over 100 years, CH₄ has 20 times and N₂O 300 times the warming effect of CO₂. Animal agriculture is the main source of both CH₄ and N₂O, and leakage from natural gas drilling is another major source of CH₄.) An increase of greenhouse gases in the atmosphere is thought to cause excess warming.
CO₂ in excess of what can be naturally cycled by, e.g., plant life on land and in the sea, persists in the atmosphere for hundreds – or even thousands – of years. (CH₄ persists ~10 years, and N₂O ~100 years; another difference among these greenhouse gases is that over 100 years, CH₄ has 20 times and N₂O 300 times the warming effect of CO₂. Animal agriculture is the main source of both CH₄ and N₂O, and leakage from natural gas drilling is another major source of CH₄.) Besides burning carbon-based fuels, humans also contribute to increased CO₂ by deforestation and pollution of the oceans (reducing the natural removal of CO₂ from the atmosphere). An increase of greenhouse gases in the atmosphere is thought to cause excess warming.


''Go to:'' [[Carbon emissions]].
''Go to:'' [[Carbon emissions]].

Revision as of 16:13, 19 September 2017

Carbon dioxide (CO₂) is created when carbon-based fuels (diesel oil, natural gas [methane], gasoline/petrol, wood, “biofuel”, etc.) are burned. The carbon in the fuels combines with oxygen in the air to create CO₂ along with heat. CO₂ in the atmosphere is a so-called “greenhouse gas”, which helps to keep the temperature of the Earth livable. Other greenhouse gases include methane (CH₄) and nitrous oxide (N₂O or NOx).

CO₂ in excess of what can be naturally cycled by, e.g., plant life on land and in the sea, persists in the atmosphere for hundreds – or even thousands – of years. (CH₄ persists ~10 years, and N₂O ~100 years; another difference among these greenhouse gases is that over 100 years, CH₄ has 20 times and N₂O 300 times the warming effect of CO₂. Animal agriculture is the main source of both CH₄ and N₂O, and leakage from natural gas drilling is another major source of CH₄.) Besides burning carbon-based fuels, humans also contribute to increased CO₂ by deforestation and pollution of the oceans (reducing the natural removal of CO₂ from the atmosphere). An increase of greenhouse gases in the atmosphere is thought to cause excess warming.

Go to: Carbon emissions.