BILLION$ spent = prediction rate of 2.5% roughly accurate

But the leaked report’s conclusion appear to align with a key new study in the journal Nature Climate Change, which revealed that nearly all climate models are dramatically inaccurate.

That report compared 117 climate predictions made in the 1990's to the actual amount of warming. Out of 117 predictions, the study’s author told FoxNews.com, 3 were roughly accurate and 114 overestimated the amount of warming.

On average, the predictions forecasted two times more global warming than actually occurred.