 WESTMER, CA ACCESSWIRE March 31, 2021 BioLargo, Inc. OTCQB:BLGO, a developer of sustainable cleantech technologies and full-service environmental engineering company, filed its Annual Report on Form 10-K with the SEC today for the year ended December 31, 2020 The company has provided highlights from the Annual Report along with commentary on the recent advancements in its mission to make life better through its innovative cleantech products and services. 