Explore a comprehensive 23-hour course on Environment for UPSC preparation, covering essential topics in ecology, biodiversity, environmental movements, and global climate issues. Delve into ecological concepts, ecosystem components, food chains, and biodiversity conservation. Examine environmental protection efforts, including national parks, wildlife sanctuaries, and biosphere reserves. Analyze global environmental challenges such as greenhouse effect, global warming, ozone depletion, and acid rain. Study environmental adaptation, pollution, and international environmental agreements to gain a thorough understanding of crucial environmental topics for UPSC examinations.