Reuters: Environmental activists have occupied an expansion site at an upgrader majority owned by Royal Dutch Shell Plc, Greenpeace and the company said on Saturday, the third such protest in recent weeks to target facilities linked to oil sands production. Greenpeace said 19 activists scaled an under-construction upgrader at Shell’s Scotford facility in Fort Saskatchewan, Alberta to protest “the climate crimes of the tar sands.” A statement from the environmental group said two …