Ключевые слова: background, care, charity, community, concept, conservation, day, development, earth, eco, ecology, ecosystem, empower, energy, environment, environmental, forest, fresh, green, harmony, health care, heart, initiative, isolated, leaf, leaves, life, love, natural, nature, nobody, organization, partnership, planet, plant, protection, renewable, resources, shape, social, support, surface, sustainability, sustainable, texture, tree, volunteer, world,