International Environmental Olympiad
Join thousands of brilliant minds from around the world in the premier environmental competition for high school students. Fully online, globally accessible, academically rigorous.
Competition Timeline
Registration Opens
Begin your journey by registering with your school advisor
ACTIVERegistration Closes
Final deadline for student registration and team formation
UPCOMINGGlobal Grand Test
150-minute individual assessment determining qualification
UPCOMINGInternational Final Round
Team-based material analysis and case presentations
UPCOMINGResults Announced
Recognition ceremony and award distribution
UPCOMINGCompetition Structure
Global Grand Test
Individual Qualification Round
Duration
150 minutes
Questions
300 multiple-choice
Format
Individual assessment
Purpose
Qualification for finals
The Global Grand Test is an intense, high-stakes qualification round featuring dynamic questions that evolve with current environmental challenges. Face 300 strategically designed questions across five learning areas: Atmosphere, Water, Land, Biodiversity, and Human Activity. Questions adapt to real-world environmental events, making each competition unique and challenging. Only the most agile minds advance to the International Final Round.
International Final Round
Team-Based Competition
Material-Based Objective Exam
- 5 comprehensive materials covering different environmental scenarios
- 20 questions per material (100 total questions)
- 120 minutes total duration
- Team collaboration encouraged
Case Presentation
- 7 days preparation time for in-depth analysis
- 7-minute team presentation
- Real-world environmental case study
- Solution development and implementation planning
Eligibility & Requirements
Eligible Participants
- Currently enrolled high school students (grades 9-12)
- Students graduating in 2026 or later
- Students with passion for environmental science
- Access to stable internet connection
- School or institutional advisor support
Not Eligible
- Students graduating in 2025 or earlier
- Gap year students not currently enrolled
- College or university students
- Students without institutional support
Registration Process
Find a School Advisor
Registration requires a school or institutional advisor. Connect with a teacher or counselor who can support your participation.
Complete Online Registration
Your advisor will register you through the official IEnvO website. Ensure all personal and academic information is accurate.
Receive Confirmation
You'll receive a confirmation email with competition details, study materials, and important dates.
Begin Preparation
Start studying using our comprehensive syllabus and practice materials. Join study groups and connect with other participants.
Registration Deadline
- Don't miss your chance to participate!
Awards & Recognition
Individual Achievements
Grade Certificates
Recognition for participation in Global Grand Test based on performance level
Final Round Recognition
Gold Award
Exceptional performance demonstrating mastery across all environmental areas
Silver Award
Outstanding achievement showing strong environmental knowledge and application
Bronze Award
Commendable performance reflecting solid understanding of environmental principles
Special Recognition
Module Excellence
Additional honors for top performers in specific learning areas or modules
Ready to Compete in IEnvO ?
Challenge yourself in the world's most dynamic environmental competition! Race against time, compete with brilliant minds globally, and prove your environmental expertise in real-time challenges that adapt to current environmental issues and emerging global crises.