Difference between revisions of "Transient Climate Response to Cumulative CO2 Emissions"
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'''Transient Climate Response to Cumulative CO2 Emissions''' (TCRE) is a summary indicator of the impact on Earth's atmosphere of CO2 emission. | '''Transient Climate Response to Cumulative CO2 Emissions''' (TCRE) is a summary indicator of the impact on Earth's atmosphere of CO2 emission. | ||
− | Each 1000 GtCO2 of cumulative CO2 emissions is assessed to likely cause a 0.27°C to 0.63°C increase in global surface temperature with a best estimate of 0.45°C.<ref>Climate Change 2021 | + | Each 1000 GtCO2 of cumulative CO2 emissions is assessed to likely cause a 0.27°C to 0.63°C increase in global surface temperature with a best estimate of 0.45°C.<ref>Climate Change 2021 The Physical Science Basis</ref> |
− | The Physical Science Basis</ref> | ||
− | This relationship implies that reaching net zero anthropogenic CO2 emissions is a requirement to stabilize human-induced global temperature increase at any level, but that limiting global temperature increase to a specific level would imply limiting cumulative CO2 emissions to within a [[Carbon Budget]]. | + | This relationship implies that reaching net zero anthropogenic CO2 emissions is a requirement to stabilize human-induced global temperature increase at any level, but that limiting global temperature increase to a specific level would imply limiting cumulative CO2 emissions to within a [[wikipedia:Carbon Budget]]. |
This Report reaffirms with high confidence the AR5 finding that there is a near-linear relationship between cumulative anthropogenic CO2 emissions and the global warming they cause. | This Report reaffirms with high confidence the AR5 finding that there is a near-linear relationship between cumulative anthropogenic CO2 emissions and the global warming they cause. |
Revision as of 15:39, 4 November 2021
Definition
Transient Climate Response to Cumulative CO2 Emissions (TCRE) is a summary indicator of the impact on Earth's atmosphere of CO2 emission.
Each 1000 GtCO2 of cumulative CO2 emissions is assessed to likely cause a 0.27°C to 0.63°C increase in global surface temperature with a best estimate of 0.45°C.[1]
This relationship implies that reaching net zero anthropogenic CO2 emissions is a requirement to stabilize human-induced global temperature increase at any level, but that limiting global temperature increase to a specific level would imply limiting cumulative CO2 emissions to within a wikipedia:Carbon Budget.
This Report reaffirms with high confidence the AR5 finding that there is a near-linear relationship between cumulative anthropogenic CO2 emissions and the global warming they cause.
References
- ↑ Climate Change 2021 The Physical Science Basis