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Excellent outline of extreme weather event attribution “science”

Science Matters

The media is again awash with claims of “human footprints” in extreme weather events, with headlines like these:

“Global warming is making hot days hotter, rainfall and flooding heavier, hurricanes stronger and droughts more severe.”

“Global climate change is making weather worse over time”

“Climate change link to extreme weather easier to gauge”– U.S. Report

“Heat Waves, Droughts and Heavy Rain Have Clear Links to Climate Change, Says National Academies”

That last one refers to a paper just released by the National Academy of Sciences Press: Attribution of Extreme Weather Events in the Context of Climate Change (2016)

And as usual, the headline claims are unsupported by the actual text. From the NAS report (here):

Attribution studies of individual events should not be used to draw general conclusions about the impact of climate change on extreme events as a whole. Events that have been selected for attribution studies to date…

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