ORACLE – At the foot of Mount Lemmon, down a short, winding road off State Route 77, a tropical rainforest stands inside Biosphere 2, the University of Arizona’s 3-acre environmental laboratory in the Sonoran Desert. Research in the rainforest [video-embed-right video=”https://cronkitenews.azpbs.org/wp-content/uploads/2022/05/OBrien_DataViz.mp4″ caption=”This graphic depicts the total concentration of methane in the atmosphere each decade in […]