Climate changes
The occurrence of phenomena natural extreme us giving are signs of that something unusual is happening in nature. We experiencing a season of intense waves of heat all the world, of storms, drought hurricane each time more severe, so as the increase of epidemics and the extinction of numerous species. Those phenomena have been pointed as consequence of change of climate in earth.
Those changes can be caused by processes internal to system land-atmosphere, by external forces ( as for example: variations in solar activity) or, more recently, by the result of human activity.
Por: Katherine Fonsêca
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