Notes and Study material for Exams
Constitutional provisions related to Environment and its Protection The protection and improvement of environment is a constitutional mandate. It is a commitment for a country wedded to the ideas of a welfare State. The Indian Constitution contains specific provisions for environment protection under the chapters of Directive Principles of State Policy and Fundamental Duties. The … Read more
Biogas- principle and process Principle of biogas production Biogas is generated when bacteria degrade biological material in the absence of Oxygen, in a process known as Anaerobic Digestion. Since biogas is a mixture of methane (also known as marsh gas or natural gas, CH4) and carbon dioxide it is a renewable fuel produced from waste … Read more
Energy Efficiency Energy efficiency, means using less energy to provide the same level of energy. It is therefore one method to reduce human greenhouse gas emissions. For example if a house is insulated, less energy is used in heating and cooling to achieve a satisfactory temperature. Another example is installing fluorescent lights or skylights, instead … Read more
Climate Change and Its Effects The term climate refers to the general weather conditions of a place over many years. In the United States, for example, Maine’s climate is cold and snowy in winter while South Florida’s is tropical year-round. Climate Change is a significant variation of Average weather conditions—say, conditions becoming warmer, wetter, or … Read more
Impact of mining on forest and Environment Mining activities, including prospecting, exploration, construction, operation, maintenance, expansion, abandonment, decommissioning and re-purposing of a mine can impact social and environmental systems in a range of positive and negative, and direct and indirect ways. Mining can yield a range of benefits to societies, but it may also cause … Read more
Role of information technology in Environment and human Health Information technology has tremendous potential in the field of environment Education and health as in any other field like business, economics, politics or culture. Development of Internet facilities, Geographic Information System (GIS) and information through satellites has generated a wealth of up-to- date information on various … Read more
The role of public servants in Disaster Management Role of state administration At the state level, disaster response, relief and rehabilitation are handled by Department of Relief and Rehabilitation. The focus of this department has generally been provision of post-calamity relief, The Chief Secretary is responsible for relief operations in the state and the Relief … Read more
Biodiversity with its sustainable use. They are internationally recognized, nominated by national governments and remain under sovereign jurisdiction of the states where they are located”. In 1971, UNESCO launched a global programme to formalize the scientific interaction between man and his natural environment. This programme is called the Man and the Biosphere … Read more
Traditional Water Conservation Systems in the State of Rajasthan In popular imagination, Rajasthan is a land of chivalry and rugged forts set against the backdrop of a desert landscape, with camels traversing unending sand dunes. The majesty of the forts at Chittor, Udaipur, Mehrangarh, Kumbhalgarh or Ranthambore to name a few is such … Read more
Topological & Non-Topological Conservation Conservation – shape and structure of networks of interacting organisms in ecological systems In-situ conservation Protect whole ecosystem at all levels to protect threatened species (save entire forest to save tiger) Hot Spots – High endemism & high Species richness (in India – Western Ghats (Agasthyamalai hills, … Read more