Sandra Postel, a leading authority on water issues affecting the world today and founder of the Global Water Policy Project, will give the 2014 Flinn Foundation Centennial Lecture presented by Barrett, the Honors College at Arizona State University.

The lecture, titled “Our Global Freshwater Future: New Solutions for a Thirsty World,” will focus on the challenges associated with managing precious freshwater resources in the face of exploding human population. The talk is set for 7 p.m., Nov. 18, at the Tempe Center for the Arts, 700 W. Rio Salado Parkway in Tempe. Tickets are free, but reservations are required. For tickets and reservations go to http://barretthonors.asu.edu/centennial2014.