Diving Deeper into IPCC?

So it's worth diving deeper into the report, where a much more cautious picture of the state of climate science comes into view. Gone are some of the false alarmist claims from the last report, such as the forecast that the Himalayan glaciers would vanish by 2035 or that hurricanes are becoming more intense. "Current data sets," the report admits, "indicate no significant observed trends in global tropical cyclone frequency over the past century." Recall the false claims of climate cause and storm effect last year after Typhoon Haiyan hit the Philippines.

Absent, too, are claims such as the one made in 2005 that global warming would create 50 million "climate refugees" by 2010 (later pushed back to 2020). In its place, we have the refreshingly honest admission that "current alarmist predictions of massive flows of so-called 'environmental refugees' or 'environmental migrants' are not supported by past experiences of responses to droughts and extreme weather events and predictions for future migration flows are tentative at best."

The report is also more cautious about temperature predictions. It acknowledges that the rate of warming between 1998 and 2012 "is smaller than the rate calculated since 1951," and it predicts modest temperature increases through 2035 of between 1° and 1.5° Celsius. More importantly, it acknowledges that "the innate behavior of the climate system imposes limits on the ability to predict its evolution."

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