Revkin: NOAA study finds Human-caused climate change major...
NOAA study finds Human-caused climate change major factor in more frequent Mediterranean droughts. This is important work, finding a significant greenhouse signal amid plentiful natural variability.
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Climate change from greenhouse gases explained roughly half the increased dryness of 1902-2010, the team found. This means that other processes, none specifically identified in the new investigation, also have contributed to increasing drought frequency in the region.
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"Climate change from greenhouse gases explained roughly half the increased dryness of 1902-2010, the team found. "
Looks like the "safe" level of 350 ppm of CO2 isn't all that 'safe' given that we hit 350 ppm around 1987.
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