Ключевые слова: atmosphere, atmosphere layers, biodiversity, biosphere, blue planet, climate, climate change, conservation, continents, deserts, earth, earth science, earthquake, earths core, earths day, ecology, ecosystem, environment, environmental protection, forests, geography, geological time, geology, geophysical, geosphere, glaciers, global warming, globe, habitat, hydrosphere, land, lithosphere, mountains, natural resources, nature, oceans, planet, pollution, population, rivers, save the planet, seasons, sustainability, tectonic plates, topography, water cycle, weather, world,