Look Out, It's Global Cooling.

The author comments on the report "Do Sunspot Cycles Affect Crop Yields?," released by the U.S. Department of Agriculture and forecasts from the U.S. National Aeronautics and Space Administration (NASA) on sunspots and the implications of these reports for the grain industry. He discusses the link of sunspots with the weather and crop yields and explanation from Joe D'Aleo, chief meteorologist for agriculture at Weatherbell Analytics, about sunspots.