Hydrogen + Fuel Cells Hannover Messe
Hannover, Germany
https://www.hannovermesse.de/en/expo/topics/hydrogen-fuel-cells-hannover-messe
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World Sustainable Energy Days
28 February, 2023 - 3 March, 2023 
Wels, Austria 
https://www.wsed.at In 2023, the World Sustainable Energy Days show the critical role of the energy transition in securing our clean energy future and concrete policies, technologies and markets to get us there. The annual conference is a leading event on the energy transition and climate neutrality with over 650 participants from over 60 countries.
World Maritime Week
March, 21-23, 2023
Bilbao, Spain
https://wmw.bilbaoexhibitioncentre.com/en WORLD MARITIME WEEK is the benchmark event in the international maritime sector, which holds five parallel international congresses for the following fields: naval (SINAVAL); fishing (EUROFISHING); ports (FUTUREPORT); upstream and downstream oil & gas (OIL&GAS CONFERENCE); and wave, tidal and current energy (OCEAN ENERGY CONFERENCE). It includes a small Exhibiting Area that can only be visited with an invitation, a wide Conference programme and a large Networking section (Reverse Trade Mission-B2B Meetings with international shipowners/shipping companies and shipyards, private cocktails with speakers, purchaser delegations and authorities, WMW’23 Gala Dinner and the 7th Edition of the FINE Awards).
