•Biodiversity is an abbreviation of biological diversity. The development of complex spectrum of life on earth has taken millions of years. Existence of this variety of living organisms is necessary for the balanced functioning of the ecosystems. •The term biodiversity was coined by WALTER G. ROSEN   in 1985 •UNEP defined biodiversity as the variety […]


Solar power  Is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV), indirectly using concentrated solar power, or a combination. Concentrated solar power systems use lenses or mirrors and solar tracking systems to focus a large area of sunlight into a small beam. Photovoltaic cells convert light into an electric current using the photovoltaic effect. What is Photovoltaic cell and how does it work? A Solar Cell, or Photovoltaic cell, is an […]