EARTH Webinar Series July 2025 Bill Slonaker (Ivy Tech) "Ivy Tech Community College HVAC Program Highlights" June 2025 Jim Seely (Authentix) "Refrigerants at Risk: Securing the Supply Chain from Smuggling to Counterfeiting" May 2025 John Bischof (NSF ERC ATP-Bio) "Cryogenically Suspending and Rewarming Living Biological Systems"