Ключевые слова: air pollution, bioprotection, carbon, carbonneutral, clean energy, deforestation, echo image, eco, ecological, ecology, ecology images, energy, energysaving, environment, environment protection, environmental awareness, environmental issues, forest, fresh green, global, global environment, global warming, green, hayashi, illustration, leaf, natural, plants, protect, protection, save, the leaves, tree planting, wakaba, white back, world,