UTRECHT, The Netherlands, July 17 (TNSjou) -- Utrecht University issued the following news: * * * Reconstruction based on clumped isotopes Air from Greenland snow shows industrialisation's impact on atmospheric methane - An international team of researchers, including scientists from Utrecht University and the University of Maryland, has reconstructed the concentration of clumped isotopes of methane in air from the past for the first time. This provides new insights into how atmospheric methane concentrations have changed since the start o more PR