Preindustrial 14CH4 indicates greater anthropogenic fossil CH4 emissions
By Benjamin Hmiel, Christo Buizert & Jeffrey P. Severinghaus
Oil and gas production is contributing even more to global warming than was thought, study finds
By Drew Kann
Humans put out more methane than previously thought
By Justine Calma
Methane emissions from fossil fuels ‘severely underestimated’
By Robert Mcsweeney
Natural gas is a much 'dirtier' energy source, carbon-wise, than we thought
By Alejandra Borunda