Ключевые слова: adaptation, antarctic, arctic, biodiversity, biosphere, climate change, conservation, coral reef, desert, ecology, ecosystem, endangered, environmentalism, fauna, flora, forest, glacier, grasslands, habitat, habitat destruction, icon, line, meadow, migration, mountains, naturalist, nature, ocean, predator, preservation, prey, rainforest, river, savanna, sign, soil erosion, species, sunrise, sunset, sustainability, tundra, volcano, waterfall, wetland, wetlands, wilderness, wildflower, wildlife,