India, Dec. 16 -- An Indian CEO has sparked a wider conversation on food waste after sharing a deeply personal habit she follows while travelling by air. Taking to LinkedIn, Anshu Bhartia wrote about what happens to untouched food served on flights and how she decided to respond to it in her own quiet way.

"When I'm served a meal on a flight, there are always some items I don't consume - yoghurt, buns, butter, the sandwich. Like many of us, I used to quietly leave them untouched on the tray. But it bothered me every time I did that," she wrote. Bhartia explained that when she checked with cabin crew, she was told that unopened food returning on trays usually ends up in the garbage. "Perfectly good food. Most likely straight to landfills ...