Humans behind 74 per cent of global warming

Yet another scientific study shows that the global increase in temperature that has been observed in recent decades is the result of human activity, accounting for at least 74 per cent of the change. According to the paper published in Nature Geoscience, greenhouse gases have contributed to 0.6-1.1 °C of the warming since the 1950s. Around half of this has been offset by cooling effects from aerosols.

According to the study it is highly unlikely that natural variations in temperature and changes in solar radiation could be the cause of global warming. The study differs from previous attempts through the use of a much simpler model of Earth’s energy balance.

Source: Nature Geoscience, 5 December 2011

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