Under the direction of former Oklahoma attorney general Scott Pruitt , the U.S. Environmental Protection Agency continued to roll back various Obama-era policies as 2017 wound to a close. Wharton professor of legal studies and business ethics Eric Orts, director of the school’s Initiative for Global Environmental Leadership, and Daniel Kammen, founding director of the University of California Berkeley’s Renewable and Appropriate Energy Laboratory, recently joined the Knowledge at Wharton show on Wharton Business Radio on SiriusXM channel 111  to discuss the direction the U.S. is heading regarding environmental protection and conservation, and whether recent policy changes put U.S. businesses at a disadvantage to those in countries that support environmentally friendly policies and renewable resources. Under the current policy regime, leadership on environmental issues has now shifted from the federal to the state level, Orts pointed out.…