Some say Dominion and Appalachian should be moving faster to renewable energy, in light of the growing climate change crisis. But that’s often hard for large, investor-owned utilities, said Cale Jaffe, a UVA professor of law and director of the law school’s Environmental and Regulatory Law Clinic. “I sort of analogize them to those huge container ships you might see out in the ocean,” Jaffe said. “They’re doing a lot, they’re carrying a lot, and as a result they’re very slow to turn.”