Presentation on Wednesday, June 9 at 5:00 PM ETWESTMINSTER, CA / ACCESSWIRE / June 4, 2021 / BioLargo, Inc. (OTCQB:BLGO), a developer of sustainable technologies and full-service environmental engineering company, announced today that it will be giving an investor presentation at the upcoming LD Micro virtual event on Wednesday, June 9, 2021, at 5:00 PM ET.