Methane from waste should not be wasted: Exploring landfill ecosystems

Journal Reference: Mark C. Reynolds, Damien Finn, Analissa F. Sarno, Richard Allen, J. David Deathrage, Rosa Krajmalnik-Brown, Hinsby Cadillo-Quiroz. Delineating the Drivers and Functionality of Methanogenic Niches within an Arid Landfill. Applied and Environmental Microbiology, 2022; DOI: 10.1128/aem.02438-21 While most landfill methane is captured and flared away, researchers hope instead to make use of this … Read more

All organisms produce methane

Journal Reference: Leonard Ernst, Benedikt Steinfeld, Uladzimir Barayeu, Thomas Klintzsch, Markus Kurth, Dirk Grimm, Tobias P. Dick, Johannes G. Rebelein, Ilka B. Bischofs, Frank Keppler. Methane formation driven by reactive oxygen species across all living organisms. Nature, 2022; DOI: 10.1038/s41586-022-04511-9 Methane is a potent greenhouse gas, so the study of its natural and anthropogenic biogeochemical … Read more

London produces up to a third more methane than estimates suggest

Journal Reference: Eric Saboya, Giulia Zazzeri, Heather Graven, Alistair J. Manning, and Sylvia Englund Michel. Continuous CH4 and δ13CH4 measurements in London demonstrate under-reported natural gas leakage. Atmospheric Chemistry and Physics (preprint link), 2022 [abstract] The measurements, performed by researchers at Imperial College London, show that most methane released in London is the result of … Read more

Dead or alive: Seagrasses continue to release methane after their die-off

Journal Reference: Sina Schorn, Soeren Ahmerkamp, Emma Bullock, Miriam Weber, Christian Lott, Manuel Liebeke, Gaute Lavik, Marcel M. M. Kuypers, Jon S. Graf, Jana Milucka. Diverse methylotrophic methanogenic archaea cause high methane emissions from seagrass meadows. Proceedings of the National Academy of Sciences, 2022; 119 (9): e2106628119 DOI: 10.1073/pnas.2106628119 Where does the methane come from? … Read more

Bubbles of methane rising from seafloor in Puget Sound

Journal Reference: H. Paul Johnson, Susan G. Merle, Tor A. Bjorklund, Susan L. Hautala, Tamara Baumberger, Sharon L. Walker, Junzhe Liu, Nicholas D. Ward, Chenyu Wang. Methane Plume Emissions Associated With Puget Sound Faults in the Cascadia Forearc. Geochemistry, Geophysics, Geosystems, 2021; 23 (1) DOI: 10.1029/2021GC010211 The columns of bubbles are especially pronounced off Alki … Read more

Paradigm shift: Methanogenic microbes not always limited to methane

Journal Reference: Christian Schöne, Anja Poehlein, Nico Jehmlich, Norman Adlung, Rolf Daniel, Martin von Bergen, Silvan Scheller, Michael Rother. Deconstructing Methanosarcina acetivorans into an acetogenic archaeon. Proceedings of the National Academy of Sciences, 2022; 119 (2): e2113853119 DOI: 10.1073/pnas.2113853119 Until now, it was considered scientifically established that methanogens have no alternative means for energy conservation … Read more

Methane from carbon dioxide

Journal Reference: Il Son Khan, Diego Mateo, Genrikh Shterk, Tuiana Shoinkhorova, Daria Poloneeva, Luis Garzón‐Tovar, Jorge Gascon. An Efficient Metal–Organic Framework‐Derived Nickel Catalyst for the Light Driven Methanation of CO 2. Angewandte Chemie International Edition, 2021; DOI: 10.1002/anie.202111854 The team led by Luis Garzón-Tovar and Jorge Gascon at King Abdullah University of Science and Technology … Read more