Oil and gas companies have increasingly come under legal attack over their role in contributing to global warming, yet unlike other industries that face tougher regulations they have not abandoned their climate marketing claims. 

It's a strategy rolled out since the early 2000s in the wake of the Kyoto Protocol on cutting greenhouse gas emissions, when firms largely dropped their denial of climate change and promoted themselves as essential players for an energy transition.

Originally published on doc.afp.com, part of the BLOX Digital Content Exchange.