Issues of sustainability are becoming very crucial to businesses. This is according to Industry Trend Analyst Dion Chang.He was speaking at a panel discussion hosted by Ricoffy in Johannesburg. The panel heard that COVID-19 has offered brands, especially those previously hesitant about jumping on the bandwagon due to expense, the opportunity for a do-over to instil sustainability holistically throughout their company. Chang says sustainability is quickly becoming a must do for most companies..