Opposing Forces (IMAGE) Columbia Climate School Caption These are changes in potential intensity in the Northern and Southern Hemispheres as reflected in the CMIP5 computer model. Black is historical data, blue is the influence of aerosols only, red is the influence of greenhouse gases only, and green shows the difference between the historical data and the influence of aerosols Credit Sobel et al., <i>Science</i> 2016 Usage Restrictions Credit must be given 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.