Carbon Emissions (IMAGE) University of Washington Caption Global carbon emission projections through the year 2100, per year (left) and cumulative (right). Dotted lines show the four 'scenarios' from the latest IPCC climate report. The shaded area is the new statistically-driven approach, where the darker area is the 90 percent confidence interval, and lighter shading is the 95 percent confidence range. Credit Adrian Raftery/University of Washington Usage Restrictions With credit 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.