Are you passionate about sustainability and eager to collaborate with students from around the world? The 4th International Summer School on Sustainability (i3s) invites you to engage in discussions and hands-on activities focused on climate protection measures and innovative solutions for a greener future.

📅 Dates: September 8–12, 2025
📍 Location: OST – Eastern Switzerland University of Applied Sciences, Rapperswil-Jona

A Tribute to Excellence

The 2025 edition of i3s will be named the Noble Banadda International Summer School on Sustainability, in honor of a visionary contributor to the success of the EU-funded SophiA project, which played a key role in the establishment of i3s.

What to Expect?

The Summer School will bring together students from various disciplines and countries, offering an opportunity to learn from international experts through interactive workshops, discussions, and real-world case studies.

Program Highlights

• Sustainability (Promotion and Implementation)
• Environmental Engineering
• Renewable Energy: Solar, Water, Wind
• Energy Storage
• Sustainable Cooling and Heat Pump Technology
• Clean Water
• Water Technology Workshop
• Technologies for the Global South
• EU Project SophiA
• Dragon Boat Racing
• Barbecue with Live Music
• Visits to the OST Campus and Laboratorie

📌 Location Perks: Rapperswil-Jona, known for its historic charm and lakeside beauty, provides the perfect setting for both academic engagement and outdoor activities.

Registration & Cost

💰 Fee: CHF 100 (includes registration, seminars, excursions, accommodation, and meals)
🚆 Transport: Participants are responsible for their own travel to/from Rapperswil.

📅 Register by the end of March!
🔗 Sign up here

Learn More

Curious about previous editions? Read about the 3rd International Summer School on Sustainability and participant feedback here:
📖 Event Overview
💬 Participant Feedback

Join us and be part of a global movement towards a more sustainable future!