A four-year, multidisciplinary study in southeastern Saskatchewan near Weyburn has concluded that large volumes of carbon dioxide can safely be stored in oil-bearing geological formations. Coordinated by the Petroleum Technology Research Centre, the $40-million study was supported by the International Energy Agency’s gas R&D program and funded by six public organizations and nine companies. Entitled the IEA GHG Weyburn Project, it is the largest full-scale, scientific field study of carbon dioxide storage ever conducted. The study’s findings will be released September 7 at the International Conference on Greenhouse Gas Control Technologies in Vancouver....