MACAN 2025 Workshop Report In July, 2025, MACAN held its Biennial State-of-the-Science Meeting at the Smithsonian Environmental Research Center (SERC) in Edgewater, Maryland. The workshop brought together researchers, state natural resource managers, federal agencies, and students to discuss the current scientific advances and how data can be used and shared. In addition, industry representatives demonstrated an in-situ pCO2 analyzer (Pro-Oceanus) and discrete water sample methods for DIC and TA (Li-Cor BioSciences). The meeting report is now available. MACAN 2025 Workshop Report