climate change

Change of climate that is attributed directly or indirectly to human activity, altering the composition of the global atmosphere and which is in addition to natural climate variability observed over comparable time periods.

Citation: 
https://unfccc.int/resource/docs/convkp/conveng.pdf
English

Onset of Spring

Onset of Spring, “Diverse responses of vegetation phenology to a warming climate” by Zhang, X., D. Tarpley, and J. T. Sullivan (2007), used with permission.

Carteret Islands [cite]

By EVS-Islands (Flickr) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons

 

Vostok ice core [cite]

International Geosphere-Biosphere Programme. Modified from Loulergue et al. (2008) and Lüthi et al. (2008).

Concentration of greenhouse gases

IPCC, 2013: Climate Change 2013: The Physical Science Basis.

 

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