Star Phoenix: Acid rain caused by Alberta oilsands production is pouring down on Saskatchewan and if governments don’t take note, any oilsands development in this province will contribute to the “most destructive project on Earth,” the Environmental Defence organization warns. A report released Friday by the group says 70 per cent of the sulphur entering Alberta’s air ends up in Saskatchewan. Acid rain is produced by the interaction between water, sulphur and nitrogen …