NOAA National and Mid-Atlantic Ocean Acidification Research Plan Overview MACAN’s May 28, 2020, webinar explored NOAA’s 2020-2029 Ocean Acidification Research Plan, providing an overview of the National and Mid-Atlantic OA research priorities for the next decade. MACAN’s May 28, 2020, webinar explored NOAA’s 2020-2029 Ocean Acidification Research Plan, providing an overview of the National and Mid-Atlantic OA research priorities for the next decade.