Methane is the second most abundant greenhouse gas produced by human activity after carbon dioxide, with agriculture, energy production and organic waste rotting in landfills the major sources.

Methane, the second most abundant greenhouse gas after CO2, is produced by microbe activity in marshlands, in rice cultivation, from landfill, from agriculture and in the production of fossil fuels.

Cornell researchers have discovered a way for ammonia oxidizing archaea (AOA), one of the most abundant types of ...