- Jining Promotional VideoWe are pleased to share with you a cultural promotional video of Jining City, kindly provided by the Jining Municipal Government.Please enjoy this glimpse into the rich culture and heritage of Jining.The original video file (approximately 2 GB) can be… Read more: Jining Promotional Video
- Jining Promotional VideoWe are pleased to share with you a cultural promotional video of Jining City, kindly provided by the Jining Municipal Government.Please… Read more: Jining Promotional Video
- Logo of IESO 2025The logo of the IESO 2025, hosted in Ji’ning, China, is a thoughtful blend of design elements that encapsulate the spirit… Read more: Logo of IESO 2025
- IESO 2025 Promotional VideoThe International Earth Science Olympiad (IESO) 2025 Global Finals will be held from August 7 to 17, 2025, in Jining, China.… Read more: IESO 2025 Promotional Video
- Statutes of The IESO
- IGEO-GYM & IUGS “Young Reporter” AwardAs we all know, IESO is only a tool for promoting Earth Science Education (ESE) in schools. The IESO event brings… Read more: IGEO-GYM & IUGS “Young Reporter” Award
A Brief Introduction to Ji’ning, the Host City of IESO 2025
Located in the southwestern part of Shandong Province, Ji’ning is renowned as the “Hometown of Confucius and Mencius,” the “Canal Capital,” and a cultural hub.
The city encompasses 2 districts , 2 county-level cities , 7 counties , and 3 functional zones . Ji’ning spans an area of 11,000 square kilometers and is home to a population of 8.9 million.
“As we gather to celebrate the IESO 2025, I extend my heartfelt wishes to each of you. Your passion for exploring the wonders of our planet, understanding its mysteries, and protecting its future inspires hope and progress for generations to come. May this journey deepen your love for Earth sciences, foster lifelong friendships, and empower you to become stewards of our shared home. Together, let us continue to explore, learn, and build a sustainable future for our planet.”
Mao Pan
Chairman of the IESO 2025 Organizing Committee
Welcome to IESO 2025
Passionate
Over 150 volunteers and more than 100 staff members are dedicated to nurturing your Olympiad journey.
Professional
Renowned experts in various Earth Science disciplines from around the world ensure the professionalism and fairness of IESO 2025.
Support
To enhance your experience during the IESO 2025, we provide 24/7 support to ensure a seamless and enjoyable journey through Earth Science.