Complex sentence: Corporate social irresponsibility in supply chain has greatly affected the reputation of companies leading a lot of cost to solve the problems for instance incidents like the 2013 Savar building collapse killing over 1000 people perished pushed companies to consider the impacts of their operations on society and environment.
Split into simpler sentences: Corporate social irresponsibility in the supply chain has greatly affected the reputation of companies, leading to a lot of cost to solve the problems. For instance, incidents like the 2013 Savar building collapse, which killed over 1000 people, pushed companies to consider the impacts of their operations on society and environment.