If acceptance is the first step to recovery, then it appears that BP has finally acknowledged that much of its fossil-fuel business does not make either economic or environmental sense. The company has just written off up to $17.5 billion of in impairment charges for quarter two this year, submitting to the fact that many of its oil assets will never see the light of day. It’s early days, and since Bernard Looney took over as CEO in January, we’ve heard a lot of loose talk around BP’s net zero ambitions, but with the company coming round to the idea of stranded assets, the financial drive to shift to clean energy is stronger than ever. Essentially, BP is slowly getting…