Posted on March 18, 2024Poseidona is removing invasive algae from oceans and turning it into food By. View Count. 0 0 CommentsPoseidona is a Barcelona-based developer of sustainable food technology. It takes invasive seaweed and algal side-streams to make proteins. In this case, it’s a soy protein alternative.© 2024 TechCrunch. All rights reserved. For personal use only.