We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleBiogenic methane, hydrogen escape, and the irreversible oxidation of early Earth.AuthorsCatling DC; Zahnle KJ; McKay CPublicationScience (New York, N.Y.), 2001, Vol 293, Issue 5531, p839ISSN0036-8075Publication typearticleDOI10.1126/science.1061976