Environmental Blow-Back (IMAGE) Michigan Technological University Caption The consequences of environmental blow-back include a significant drop in global temperature because of soot from nuclear blasts blocking the sunlight from reaching Earth’s surface, decreased precipitation, a drop in food production because of blocked sunlight and less moisture, increased ultraviolet radiation resulting from a badly damaged atmosphere, and non-functioning supply chains. Credit Sarah Bird/Michigan Tech Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.