Data Visualization

Observed trends in total greenhouse gas concentration levels, considering all greenhouse gases and other forcing agents (including aerosols)

Data Visualization Created 13 Dec 2017 Last modified 13 Dec 2017

1 min read

Topics: Air pollution Climate change adaptation

Data expressed in CO2 equivalents (see rationale for explanation). The figure includes the contribution of Kyoto Protocol gases (KPG), gases under the Montreal Protocol (MPG) and other forcing agents, such as ozone and aerosols (here called non-Protocol Gases, NPG). The 430 and 530 ppm CO2 in equivalents correspond with a 50% probability of limiting the increase in global mean temperature to a respective 1.5 °C and 2.0 °C, above pre-industrial levels. Note that the trend only covers the 1970–2015 period, due to the limited availability of historical data on ozone forcing.

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Units:

Parts per million in CO2 equivalents (ppm CO2 eq).

Methodology:

Observed trends in greenhouse gas concentration levels. Greenhouse gases differ in the way they affect the climate system. In order to sum the effects of the individual greenhouse gasses and other forcing agents in the atmosphere, the so-called ‘greenhouse gas equivalent concentration’ has been defined. This is the concentration of only CO2 that would cause the same amount of radiative forcing as a mixture of CO2 and other forcing agents (greenhouse gases and aerosols).

Data sources

CH4, N2O, HFCFCs, CFCs concentration provided by Advanced Global Atmospheric Gases Experiment (AGAGE)
CO2 concentration provided by National Oceanic and Atmospheric Administration (NOAA)

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Older versions

01 Jun 2016 - Observed trends in total greenhouse gas concentrations

Geographic coverage

Earth

Temporal coverage

1970-2015

For references, please go to https://www.eea.europa.eu/data-and-maps/daviz/observed-trends-in-total-greenhouse-1 or scan the QR code.

PDF generated on 28 Sep 2020, 12:18 PM

Topics

Topics: Air pollution Climate change adaptation

BISE	Biodiversity Information System for Europe
Climate-ADAPT	Climate Adaptation Platform
Copernicus In Situ	Copernicus in situ component
Copernicus Land	Copernicus land monitoring

European Pollutant Release and Transfer Register	E-PRTR
Information Platform for Chemical Monitoring	IPCHEM
Marine Water Information System for Europe	WISE-Marine
Fresh Water Information System for Europe	WISE-FreshWater

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