Wikiproyecto:Ecología y medio ambiente/Taller

• Commons:Category:Global Warming Art images
• Commons:Category:Global warming
• Commons:Category:Earth's atmosphere
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Balance energético

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  Traducir los conceptos del inglés: [1]

Calentamiento global

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• Archivo:IPCC AR4 WGIII GHG concentration stabilization levels.png

  The projected temperature increase for a range of stabilization scenarios (the coloured bands). The black line in middle of the shaded area indicates 'best estimates'; the red and the blue lines the likely limits. From the work of Working Group III.

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  The relationship between temperature, CO2, and solar activity.

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  The geographic distribution of surface warming during the 21^st century calculated by the HadCM3 climate model if a business as usual scenario is assumed for economic growth and greenhouse gas emissions. In this figure, the globally averaged warming corresponds to 3.0 °C (5.4 °F).

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  Sparse records indicate that glaciers have been retreating since the early 1800s. In the 1950s measurements began that allow the monitoring of glacial mass balance, reported to the WGMS and the NSIDC.

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Emisiones de CO2

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  Radiative forcing for doubling CO₂, as calculated by radiative transfer code Modtran. Red lines are Planck curves.

Emisiones gases efecto invernadero

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  Radiative forcing for eight times increase of CH₄, as calculated by radiative transfer code Modtran.

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  Per capita greenhouse gas emissions in 2000, including land-use change.

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  Per country greenhouse gas emissions in 2000, including land-use change.

Capa de ozono

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  Image of the largest Antarctic ozone hole ever recorded (September 2006).

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  Lowest value of ozone measured by Total Ozone Mapping SpectrometerTOMS

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  Ozone hole in North America during 1984 (abnormally warm reducing ozone depletion) and 1997 (abnormally cold resulting in increased seasonal depletion). Source: NASA,http://earthobservatory.nasa.gov/IOTD/view.php?id=1771

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  NASA projections of stratospheric ozone concentrations if chlorofluorocarbons had not been banned.

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  Ozone-depleting gas trends.

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Varios

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  Posición de los diversos países en 2009 respecto del Protocolo de Kioto.
       Firmado y ratificado.      Firmado pero con ratificación pendiente.      Firmado pero con ratificación rechazada.      No posicionado.

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  The reconstructed depth of the Little Ice Age varies between different studies (anomalies shown are from the 1950-80 reference period).

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  Lago Chad

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