Original sentence: "  It was not until a workshop with many more scientists, from both the Northern and Southern Hemispheres, was held in Vienna, Austria in 2007 that the NIPCC organizational effort formally began, however.Singer was one of the founding members of the  Nongovernmental International Panel on Climate Change (NIPCC) whose organization was the culmination of a process that began in 2003
Edited sentence: "  It was not until a workshop with many more scientists, from both the Northern and Southern Hemispheres, was held in Vienna in 2007 that the NIPCC organizational effort formally began, however.In 2008, Singer's group, the Science and Environmental Policy Project, created the  Nongovernmental International Panel on Climate Change (NIPCC) as the culmination of a process that began in 2003