Ключевые слова: agriculture, answer, arrow, bio, border, care, clean, clever, comics, couch, development, direction, eco, ecological, ecology, energy, environment, environmental, express, forward, friendly, grass, green, growing, health, healthy, icon, idea, isolated, leader, leadership, leaf, leaves, life, mark, motion, mount, moving, natural, nature, organic, plant, pointer, pollution, protect, protection, recycle, recycling, renewable, reuse, right, rise, sign, spring, state, stylized, sustainability, sustainable, symbol, target, think, voice, waste, way, white,