Brian Toon and Michael Mills (IMAGE) University of Colorado at Boulder Caption A new computer modeling study led by CU-Boulder scientists Brian Toon, left, and Michael Mills, right, indicates a limited nuclear weapons exchange in the Middle East would create a near-global ozone hole, impacting human and ecosystem health for a decade or more. Credit Image courtesy Glenn Asakawa, University of Colorado 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.