Ключевые слова: advertisement, balance, biology, change, chemical, circle, climate, climate change, closeup, colleague, color image, concept, creativity, digitally generated image, education, environmental conservation, forest, gas, graphic, green, green background, green color, growth, horizontal, ideas, illustration, imagination, leaf, modern, molecular, nature, no people, o2, outdoors, oxygen, people, photosynthesis, plant, recycling, renewable energy, science, shape, social issues, studio shot, technology, tree, vertical, water, woodland,