Woodside Petroleum Ltd 9.2m tonnes

WHO: Australian petroleum exploration and production company and the country’s largest natural gas producer. COMMITTED: To 30 per cent emissions reduction off average 2016-20 baseline by 2030. Aspiration to achieve net-zero emissions by 2050.

CHANGE: Supports carbon pricing, sees role for natural gas to displace more carbon-intensive fuels, and is building an emissions-offset business.