Commentary: Tougher action needed to get diners to return trays Toggle share menu Advertisement Commentary: Tougher action needed to get diners to return trays Beyond the financial pinch of fines, penalties for those who fail to clean up could include deterrence, says William Wan of the Singapore Kindness Movement. (Photo: Ang Hwee Min) 06 Apr 2021 06:10AM) Share this content Bookmark SINGAPORE: In February, Dr Amy Khor, Senior Minister of State for Sustainability and the Environment, launched the Clean Tables Campaign. This was yet another concerted effort to remind diners to keep tables clean, by clearing used tissues, wet wipes and disposable crockery, and returning their trays.