Ключевые слова: bark, big, biodiversity, biology, botany, branch, competition, concept, cypress, depression, desert, ecology, environment, environmental, field, forest, forester, futuristic, global, god, green, hope, hopeless, illness, issues, life, log, nature, nutrient, outdoor, park, photosynthesis, pine, plantation, pollution, religion, resource, sequoia, silviculture, spruce, sustainability, sustainable, tall, timber, trail, tree, trunk, vertical, warming, wood,