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The Biosphere

  The biosphere is the narrow zone of contact between land (lithosphere) , water (hydrosphere) and air (atmosphere) , where life forms exist . It is called the living world or the biological environment . Every thing in the biosphere is interconnected and interdependent. Use of Biosphere Forests are source of timber, fruits, nuts, resins, lac and medicinal herbs. Forests are the natural habitats for various plants and animals. forests help moderate atmospheric temperature by absorbing carbon di oxide and adding moisture to the air through transpiration. Many animals depend on forests and grassland for their food. Humans in turn dependent on animals as a source of food. Some people are dependent on animals to carry heavy loads.

Our Environment

 Environment Consist of  The natural environment  The human made environment. The natural environment consists of Physical environment and the biological environment. 3 major components of physical environment The Atmosphere The Lithosphere The Hydrosphere They are the Abiotic or Non Living Components of the Natural Environment. Biosphere: It is the narrow zone between  the atmosphere, the lithosphere and the hydrosphere where all life forms exists. It contains the biotic or the living components of the natural atmosphere and supports plants, animals and other living things.

Sustainable Development

Sustainable Development is the economic development that is conducted without depletion of natural resources. It encourages us to conserve and enhance our resource base, by gradually changing the ways in which we develop and use technologies. Countries must be allowed to meet their basic needs of employment, food, energy, water and sanitation. Sustainable development is important as it saves national budget, fulfills the need of people, conserves natural resources, helps in the coordination between the natural resources and people and conserves natural resources for future generation. There are 3 primary objectives of sustainable development: Economic growth – building a strong, competitive economy, by ensuring that sufficient land of the right type is available in the right places and at the right time to support growth and innovation; and identifying then coordinating development requirements. Environmental protection – contributing to protecting and enhancing our natural and develo...