The consumer watchdog alleges a popular burger chain has been over-egging the scale of a tree-planting burger promotion and misleading customers.
Grill'd has been accused of overstating the donations made through ''Tree Day Tuesday'', with only a small fraction of burger sales qualifying for the charitable contribution.
The Australian Competition and Consumer Commission chair Gina Cass-Gottlieb said it amounted to a form of "greenwashing", which refers to false or misleading sustainability claims.
