Environment and Ecology Cheat Sheet

Key Definitions

• Ecosystem: A community of living organisms and their physical environment interacting as a system. ✅

• Biodiversity: The variety of life in the world or in a particular habitat or ecosystem. ✅

• Sustainable Development: Development that meets the needs of the present without compromising the ability of future generations to meet their own needs. ✅

Important Concepts

Environmental Issues

• Climate Change: Long-term alteration of temperature and typical weather patterns in a place. ✅

• Pollution: Introduction of contaminants into the natural environment causing adverse change. ✅

• Deforestation: The large-scale removal of trees from forested areas. ✅

Interlinking Concepts

• Water Scarcity: Linked to over-extraction and pollution. ✅

• Soil Degradation: Affects food security and biodiversity. ✅

Constitutional Provisions

• Article 48A: Protect and improve the environment. ✅

• Article 51A(g): Fundamental duty to protect and improve the natural environment. ✅

Government Schemes

• Swachh Bharat Mission: Aims to clean streets, roads, and infrastructure. ✅

• National Biodiversity Action Plan: Promotes conservation of biodiversity. ✅

Key Formulas

• Total CO2 emissions: Sum of all greenhouse gases produced by an entity. ⚠️

Common Mistakes to Avoid

Common Mistake: Confusing climate with weather—climate is long-term, while weather is short-term.

Memory Tricks

Tip: "FRESH AIR" —

• F: Forest conservation

• R: Renewable energy

• E: Ecosystem services

• S: Sustainable practices

• H: Habitat protection

• A: Air quality

• I: Integrated waste management

• R: Recycling initiatives

Key Diagrams

Ecosystem Components:
[ Producers ] --> [ Consumers ] --> [ Decomposers ]

Water Cycle:
[ Evaporation ] --> [ Condensation ] --> [ Precipitation ] --> [ Collection ]