UNIVERSITY PARK, Pa. — Students in the Department of Ecosystem Science and Management in Penn State’s College of Agricultural Sciences are holding an event on Wednesday, Nov. 30, to discuss “Elements of Global Change.” The one-hour presentation with additional discussion will occur at 7 p.m. at Sower’s Harvest Café, 421 East Beaver Ave., State College.

Discussion will revolve around:

• "Water: Nutrient Pollution: Too Much of a Good Thing."

• "Earth: Soil Is Not a Dirty Word."

• "Fire: Who Started the Fire? Humans and Wildfires."

• "Air: More Than a Nuisance: Atmospheric Sensory Pollution."

Snacks and beverages will be provided. For more information, contact Daniel Allen at Daniel.c.allen@psu.edu.