Unit 2 : Natural Resources :
Renewable and non-renewable resources :
Natural resources and associated problems.
Forest resources : Use and over-exploitation, deforestation, case studies.
Timber extraction, mining, dams and their effects on forest and tribal people.
Water resources : Use and over-utilization of surface and ground water,
floods, drought, conflicts over water, dams-benefits and problems.
Mineral resources : Use and exploitation, environmental effects of extracting
and using mineral resources, case studies.
Food resources : World food problems, changes caused by agriculture and
overgrazing, effects of modern agriculture, fertilizer-pesticide problems, water
logging, salinity, case studies.
Energy resources : Growing energy needs, renewable and non renewable
energy sources, use of alternate energy sources. Case studies.
Land resources : Land as a resource, land degradation, man induced
landslides, soil erosion and desertification.
Role of an individual in conservation of natural resources.
Equitable use of resoureces for sustainable lifestyles.
Unit 3 : Ecosystems
Concept of an ecosystem.