From VW to Brazil's mining disaster: 5 corporate scandals that defined 2015

Fiddling the figures on sustainability claims and fudging responsibility - a roundup of some of the biggest scandals and what they mean for sustainability

Overstated profits, secretive lobbying, the dirty side of industries laid bare - 2015 saw yet another clutch of corporate scandals. Sustainability and corporate responsibility may have become watchwords for global companies, but this doesn't seem to have stemmed the bad behaviour of some businesses.

Here we round up some of the most significant corporate scandals of the year.