| http://www.w3.org/ns/prov#value | - Part of this increase in temperature is due to natural causes, such as solar radiation combined with the natural greenhouse effect of the atmosphere, but an important part of the warming is attributable to human activities: the use of fossil fuels, DEFORESTATION, the 'intensive farming and agriculture are all causes of warming due to human activities. http://eartheasy.com/ Greg Seaman
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