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Annual Conference

Each year, students and educators from around the world come together at the CEI Annual Conference to share their sustainability projects, insights, and experiences. Hosted in a different country every year, the conference has been running for 39 consecutive years and has built a global community committed to environmental action and education.

This year marks the 40th CEI Conference, taking place in Türkiye, and we look forward to welcoming you either in person or online for this milestone celebration of collaboration and sustainability.

Preview of CEI2026 Website

Past Conferences

Over the years, the annual CEI conference has taken place in quite a few countries.

Below are some of the most recent conferences as well as a list of all past CEI conferences

CEI 2025 Mexico
CEI 2025 Mexico Logo
CEI 2024 Sweden
CEI 2024 Sweden Logo
CEI 2023 Indonesia
CEI 2023 Indonesia Logo

Older Conferences

Below is a complete list of all previous CEI conferences

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2022 - Costa Rica, San José

Water

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2021 - Ireland, online

Sustainable communities: working together locally and globally for a sustainable future

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2020 - Indonesia, online

The transformation to a sustainable planet

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2019 - Türkiye, Istanbul

Sustainable living in a big city

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2018 - Austria, Judenburg

Let's experience nature

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2017 - USA, Monmouth Oregon

Following nature's design

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2016 - Denmark, Aalborg

Sustainable societies

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2015 - Portugal, Lisbon

Connecting minds, creating the future for the oceans

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2014 - Taiwan, Yilan

Nature, culture and future

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2013 - Scotland, Loch Lomond

Working in the wild places: maintaining a sustainable wilderness

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2012 - The Netherlands, Maastricht

Sustainability in cross-border partnership

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2011 - Hungary, Debrecen

Natural heritage and tourism through biodiversity

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2010 - Indonesia, Batu East Java

Biodiversity and culture

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2009 - Scotland, Aberdeen

Sustainability together: working in partnership

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2008 - Denmark, Aalborg 

Environment, sustainability and new energy

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2007 - Hong Kong

How to live in harmony with the environment through active participation

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2006 - Poland, Katowice

Youth for sustainable development

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2005 - USA, Salem Oregon

Forging new partnership with the economic community

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2004 - Greece, Thessaloniki

School and Agenda 21: educating young people for their sustainable future

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2003 - Kenya, Kisumu

Education and Sustainable Development in the Rural Environment

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2002 - Italy, Turin

Sustainable Mobility and ICT

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2001 - South Africa, Johannesburg

Cultural diversity and sustainable tourism

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2000 - Sweden, Lund

Global Environmental Youth Convention "Preventive Environmental Strategies"

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1999 - Costa Rica, San José

Ecotourism

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1998 - Ireland, Waterford

Conflict and cooperation

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1997 - Israël, Sde Boker

Environment and communication

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1996 - The Netherlands, Heerlen

Environment and development

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1995 - Russia, Murmansk

Arctic ecology and the environment

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1994 - Scotland, Aberdeen

Sustainability

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1993 - Canada, Halifax

Environment and natural resources

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1992 - Portugal, Troia

Environment and tourism

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1991 - Peru, Cusco

Environment and development

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1990 - England, Bristol

Conflict and cooperation

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1989 - USA, Chicago

Technology and the environment

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1988 - Spain, Valsaín

Natural and cultural heritage

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1987 - The Netherlands, The Hague

The sea: pollution and protection

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