World Sustainability Symposium (WSS)

Brussels, Belgium
October 2026

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About

As governments are now aligned with the industry’s commitment to decarbonize aviation by 2050, IATA's World Sustainability Symposium (WSS) brings together industry and governments to debate and discuss the key enablers for aviation’s successful decarbonization.

The aim of WSS is to gather and support the global community of sustainability experts needed to realize aviation’s biggest challenge ever.

The 2025 edition brought 500 delegates to Hong Kong (SAR), China.

Why should you join?

The WSS facilitates critical discussions, in seven key areas:

  • The overall strategy to achieve net zero emissions by 2050
  • The crucial role of government and policy support
  • Effective implementation of sustainability measures
  • Financing the energy transition
  • Measuring, tracking and reporting emissions
  • Addressing non-CO2 emissions
  • The significance of value chains

 

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Who will you meet?

The WSS brings together a diverse group of delegates representing:

  • Airlines
  • OEMs
  • ANSPs
  • Airports
  • Solution providers
  • Policy-makers and regulators
  • Banking and financial institutions
  • Researchers and thought-leaders

 

World Sustainability Symposium 2025 Testimonials

 

"A key event that brings together the aviation industry’s leading stakeholders, fosters open exchange on solutions and collaboration, and strengthens the sector’s collective commitment to decarbonization."
Manuel Berger, Swissport

I immensely enjoyed attending the IATA WSS event in Hong Kong. The experience was incredibly informative and a great opportunity to connect with industry peers.
Hatem Sherif, CACC Cargolinx

Fantastic opportunity to network with Aviation Sustainability professionals!
Sophie Bellin, SCB Environmental Markets

Sponsorship/Exhibition 

Showcase your products and services to industry leaders, governments, international organizations, and subject matter experts. For information on sponsorship and exhibition opportunities at the World Sustainability Symposium, please complete the form and a member of our team will be in touch.

 



 

World Sustainaiblity Symposium 2025

 

The third edition of IATA World Sustainability Symposium 2025 took place Hong Kong (SAR), China from 21 to 22 October 2025.

Insights from Dr. Marie Owens Thomsen, IATA's SVP Sustainability & Chief Economist

> Watch on Youku

Message from Cathay Pacific General Manager Sustainability

 

> Watch on Youku

 

World Sustainability Symposium 2024

 

The second edition of IATA World Sustainability Symposium 2024 took place in Miami, USA from 24 to 25 September 2024

World Sustainability Symposium 2023

 

The first edition of IATA World Sustainability Symposium 2023 took place in Madrid, Spain from 03 to 04 October 2023. 

Hear about WSS from IATA's SVP Sustainability & Chief Economist

IATA World Sustainability Symposium - Why is it so important?

 
 
 

Our Diversity & Inclusion Pledge

IATA believes that diversity of culture, gender, age, orientation, and experience boosts the success of the aviation industry. We actively encourage aviation professionals with diverse profiles to contribute to our events as speakers, panelists, facilitators, or in any other way.

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