climate change(redirected from Natural climate variability)
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climate change:see global warmingglobal warming,
the gradual increase of the temperature of the earth's lower atmosphere as a result of the increase in greenhouse gases since the Industrial Revolution. Global warming and its effects, such as more intense summer and winter storms, are also referred to as climate
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Attributed directly or indirectly to human activity that alters the composition of the global atmosphere and is in addition to natural climate variability over comparable time periods; often used to describe global warming with environmental implications including temperature and sea-level rises; changes in rainfall and the intensity and frequency of extreme weather events; groundwater, atmospheric, and ocean circulation patterns and locations; and displacement of ecosystems and commercial resources.
climate change[′klī·mət ‚chānj]
Any change in global temperatures and precipitation over time due to natural variability or to human activity.