From 2000 to 2013, 13 years of high global temperatures have been registered. Scientists analysed data and concluded that it isn’t a natural phenomenon. Greenhouse gases that derived from human activities are the major cause of these 13 years of global warming. The probability this phenomenon can be natural it is ranged from 1/5000 to 1/170000. Computer simulations of climate conditions have been used to draw conclusions. Human interference with Earth system is the cause of global change.
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eTwinning project "Funology in Science"