Sandra Postel, an author and international advocate for conserving and protecting water, will deliver a free public lecture titled “Will We Have Enough Water? Adapting to a Warming, Water-Stressed World.” The lecture, sponsored by the Freshwater Society and the University of Minnesota College of Biological Sciences, will be at 7 p.m. Tuesday, Feb. 12. Postel is a National Geographic Freshwater Fellow and is the author of three books on water, including “Last Oasis: Facing Water Scarcity” and “Pillar of Sand: Can the Irrigation Miracle Last?” The lecture is part of the Moos Family Speaker Series on water and the environment. The series honors the late Malcolm Moos, a former university president. The Mosaic Company Foundation is providing support for the lecture.

For more information and to register to attend, go to www.freshwater.org.