Stratospheric solar geoengineering without ozone loss?

Frank N Keutsch1, David Keith2, Debra Weisenstein3 and John A Dykema2, (1)Harvard University, School of Engineering and Applied Sciences, Department of Chemistry and Chemical Biology, and Department of Earth and Planetary Sciences, Cambridge, MA, United States, (2)Harvard University, School of Engineering and Applied Sciences, Cambridge, MA, United States, (3)Harvard University, Cambridge, MA, United States