Beyond carbon: big four banks urged to capture more gas

Banks should cut support for coal projects which produce methane, a report has found. (Darren Pateman/AAP PHOTOS)

Australia's big four banks are being urged to take greater action against climate change after a study found none were specifically identifying emissions of a major greenhouse gas.

The banks' failure to single out methane emissions could undermine their environmental efforts, the study warned, in addition to their failure to phase out support for methane-intensive coal-mining projects.