Aye. your mention of food waste takes me back to schooldays when, after school dinners were all over, the 'swill' lorries would come around to take away big bins of left overs.
They'd go to all schools & other institutions in the town collecting food waste.
It'd be processed for feeding pigs.
Nowadays, due to H&S etc -nanny state - its not allowed so all that stuff goes straight to landfill - outrageous waste!