Conservation of environment simply implies the sustainable use as well as management of natural resources which include wildlife, water, air, and earth deposits. There are renewable and non-renewable natural resources. Conservation of natural resources generally focuses on the needs & interests of human beings, for instance the biological, economic, cultural and recreational values. Conservationists have the view that development is necessary for a better future, but only when the changes occur in ways that are not wasteful. Read on to know more about preservation and conservation of environment.