Ключевые слова: america, background, ball, blue, business, care, child, closeup, concept, conservation, continent, day, earth, eco, ecological, energy, environment, environmental, family, fingers, future, geography, global, globe, green, hands, help, hold, hope, human, map, nature, palm, peace, person, planet, pollution, protect, recycle, responsibility, save, science, sphere, symbol, travel, white, woman, world, worldwide, young,