Part 1
Topics: threatened species,pollutants, effects of pollution, non-degradable pollutants, marine pollution, overpopulation types.
Part 2
Topics: deforestation, glass recycling and reuse, unsustainable way of life and practices, fossil fuels, sustainable-earth society and lifestyle.
Part 3
Topics: solar energy, burning of carbon-containing compounds, the law of conservation of matter, nuclear change, first and second laws of thermodynamics, energy efficiency, biosphere & ecosphere.
Part 4
Topics: study of ecology, major types of organisms, types of ecosystems, ecosystem components, ecosphere, photosynthesis and chemosynthesis, food chains and food webs.
