Ключевые слова: 3r, at hand, blackboard, carbon, chalk, character, children, clean, clean energy, decarbonization society, draw, earth, eco, ecology, education, energy, energysaving, environment, environment protection, environmental issues, global environment, global warming, green innovation, hand, image, innovation, japan, japanese people, natural, no face, protect, recycling, renewable, renewable energy, reuse, save, sdgs, sustainability, sustainable, sustainable development objectives, text, word, write,