The 4th International Conference on Environmental Geotechnology, Recycled Waste Materials, and Sustainable Engineering will be held during October 25-27, 2023 at the National Institute of Technology, Jalandhar, India.
I usually follow the following Telegram channel to get updates on preceding conferences. Maybe it can be helpful to you too. https://t.me/allconferencealertt
or
I directly type on google.com to find recent conferences which are free to parcitpate.
In May, the 18th National Congress of Geotechnics will take place in Évora - Portugal. I recommend that you follow the ABMS (Brazilian Association of Soil Mechanics) instagram because they always inform about events.