Sarah Mittelfehldt, an assistant professor in Northern Michigan University’s department of Earth, Environmental and Geographical Sciences, kicks-off this year’s NAS Seminar series on Friday, Sept. 14, 2018. Her topic is “Renewable Power & Environmental Politics Since the 1970s.” The seminar reception is at 3 p.m. in Environmental Sciences (ES) 317, Green Bay Campus. The seminar follows at 3:30 p.m. in ES 301. They are free and open to the public. The next seminar is on Sept. 28, 2018. See the full schedule.