An international study led by UAB researcher Ariane Arias-Ortiz, and published in Global Change Biology, has analyzed methane gas fluxes in more than 100 tidal wetlands and marshes in the U.S. An international study led by UAB researcher Ariane Arias-Ortiz, and published in Global Change Biology, has analyzed methane gas fluxes in more than 100 tidal wetlands and marshes in the U.S. Earth Sciences Environment Phys.org – latest science and technology news stories