To promote environmental education and enhance public awareness of sustainability. Taiwan Institute for Sustainable Energy has been holding the 'Climate Change Primary and Secondary School Painting Competition' since 2009. It has entered the 12th edition with total of 52,666 students from 37 countries participated in the competition. To cope with UN sustainable development target (SDGs) 2, 12and 13 'To Eliminate hunger, adopt measures on food reserves, improve all forms of malnutrition, promote sustainable agricultural practices and to ensure the sustainable consumption and production mode, take climate action'. We will hold 'The 12th Edition of Climate Change Primary and Secondary School Painting Competition'. With the theme of 'Good Mealtime on Earth', it can elevate students' understanding of human eating habits, production, and consumption patterns to find the methods of environmental protection and practical benefits through paintings.