Nickel, an important trace nutrient for the single cell organisms that produce methane, may be a useful isotopic marker to pinpoint the past origins of these methanogenic microbes, according to Penn ...

An electron microscope image of single-celled methanogens, members of the archaea branch of the tree of life. They are ubiquitous in oxygen-free environments, turning simple foods into methane, a ...

Microorganisms growing in landfills, on agricultural land and in wetlands are contributing to skyrocketing levels of atmospheric methane, a potent greenhouse gas, according to new research. Microbes ...

To determine the source of excess methane in oxic, surface-water columns often found in freshwater environments, we measured the in situ concentration and stable isotopic compositions (δ13C and δ²H) ...

Methane, both a vital energy resource and a potent greenhouse gas, is produced and modified by a number of geological and biological processes. Recent advances in isotopic characterisation have ...

Title image: The Pantanal, located in South America, is the world's largest tropical wetland. Tropical wetlands are responsible for about a fifth of the world's methane emissions. (Credit: ...

Microbes in the environment, not fossil fuels, have been driving the recent surge in methane emissions globally, according to a new, detailed analysis published Oct 21 in the Proceedings of the ...