Ecosystem

Energy flow through ecosystem

Balance in nature

Impact of population growth on ecosystem

Stress due to population growth

Increase in consumption, encroachment on monuments

Sources of energy

Renewable sources

Non-renewable sources

Agriculture and animal husbandry

Utilization of resources for industry

Environmental concerns - regional and national

Emerging lifestyles in modern societies

Factors affecting environment

Pollution of soil, air and water

Noise pollution sources, impact and preventive measures

Disasters - natural and man-made

Impact of environmental pollution on human health

Role of individuals, community and government