blog posts Kristovich to speak May 15 on Great Lakes Climate Changes and Impacts on Water Resources Apr 13, 2018 8:15 am by Tricia BarkerWater Survey Share on Facebook Tweet Email David A.R. Kristovich, head of the Water Survey's Climate and Atmospheric Science Section, will speak at a meeting of the Air & Waste Management Association Lake Michigan States Section on May 15. Share on Facebook Tweet Email