This seems... not hard. For non-recyclables, just use the same recycling symbol,...

civilized on Sept 9, 2021 | parent | context | favorite | on: California aims to ban recycling symbols on things...

This seems... not hard. For non-recyclables, just use the same recycling symbol, but put a diagonal bar through it, like on a no-smoking sign. And then provide whatever info you want underneath, same as when it's recyclable.