Annual FFDAS Fossil Fuel Carbon Dioxide Emissions Anomalies (IMAGE) Arizona State University Caption This image shows annual FFDAS fossil fuel CO2 emissions anomalies for two years on either side of the Global Financial Crisis. (a) 2006; (b) 2010. Units: weighted standard deviation. Credit Gurney lab 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.