 CALGARY, Alberta, June 03, 2021 GLOBE NEWSWIRE -- NXT Energy Solutions Inc. NXT or the Company TSX:SFD; OTC QB:NSFDF today announced that it will be presenting at the LD Micro Invitational XI Virtual Event on Tuesday, June 8, 2021 at 1:00 pm PDT 4:00 pm EDT. George Liszicasz CEO and Eugene Woychyshyn CFO will be presenting to a virtual audience. NXTs presentation will be available the morning of June 8th at 