Companies and states most responsible for climate change are also those working hardest to prevent climate action, new Carbon Majors report finds.

The Conservative Party leader claims she was always a net zero sceptic, but in government she hailed net zero plans as “crucial” for a “cleaner greener future”.

Hill & Knowlton played a key role in exporting Big Oil's PR tactics to the Southern Hemisphere.

Delay and denial have clouded debate on green issues, with potentially devastating impacts for Europe's energy transition.