CLIMATE: Methane studies need common measures -- White House science office Gayathri Vaidyanathan, E&E reporter Published: Wednesday, June 26, 2013 Uncertainty dogs research when it comes to methane leakage from oil and gas operations. Please subscribe to EnergyWire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.