Drishti IAS: Your Gateway to Success in Competitive Exams. Introduction to Environmental Science: Overview of key concepts related to ecology, environment, and sustainability. Ecosystems: Explanation of different types of ecosystems, their components, and functions. Biodiversity: Importance of biodiversity, threats to species, and conservation strategies. Natural Resources: Discussion on renewable and non-renewable resources, their management, and sustainable practices. Pollution: Types of pollution (air, water, soil), sources, effects, and mitigation measures. Climate Change: Understanding global warming, its impacts, and international agreements (e.g., Paris Agreement). Environmental Policies: Overview of national and international environmental laws and regulations. Sustainable Development: Principles of sustainable development and the balance between growth and environmental protection.

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