Hydrogen + Fuel Cells Hannover Messe
April, 17-21, 2023
Hannover, Germany
https://www.hannovermesse.de/en/expo/topics/hydrogen-fuel-cells-hannover-messe
Hannover, Germany
https://www.hannovermesse.de/en/expo/topics/hydrogen-fuel-cells-hannover-messe
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Ocean Business
April, 18-20, 2023 
Southampton, United Kingdom 
https://www.oceanbusiness.com/?privacy=updated THE HANDS-ON OCEAN TECHNOLOGY EXHIBITION AND TRAINING FORUM Discover innovations at the forefront of ground-breaking ocean technology. A free event for everyone in the ocean science and technology community.
Sustainability Week Asia
February, 7-9, 2023
Singapore, Singapore
https://events.economist.com/sustainability-week-asia Sustainability Week Asia aims to help you cut through the noise surrounding sustainability, giving you an independent guide to achieving your goals. Engaged at the intersection of business, government and civil society, Sustainability Week Asia provides astute macro-level analysis and case studies, and connects them with actionable insights and practical examples to help your business become sustainable, faster.
