Notes and Study material for Exams
Climate Change It is the long term change in the statistical distribution of weather patterns over periods of time Though it has been happening naturally for millions of years, in recent years it has accelerated due to anthropogenic causes and has been causing Global Warming. UNFCCC defines Climate Change as – “a change of climate … Read more
The Greenhouse Effect The greenhouse effect is a natural phenomenon that insulates the Earth . Incoming solar radiations are absorbed and reemitted back from the Earth’s surface as infrared energy, greenhouse gases (GHGs) in the Atmosphere prevent some of this heat from escaping into space, instead reflecting the energy back to further warm the surface. Human … 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
Usefulness of Plants and human affairs (utility) Food Plants are the main source of food for humans. Plants, unlike humans and animals, manufacture their own food. They do so by the process known as Photosynthesis in their green leaves by use of sunlight. They can convert and store the Light energy in the … Read more
Brazil, Russia, India, China and South Africa (BRICS) BRICS is the acronym for an association of five major emerging national economies: Brazil, Russia, India, China and South Africa. Originally the first four were grouped as “BRIC” (or “the BRICs”), before the induction of South Africa in 2010. The BRICS members are known for … Read more
Problems of Soil erosion and degradation in Maharashtra Konkan Region This region is located between 1;044′ and 20°20′ N lat. and 700 10′ and 730 50′ E long. with a longitudinal distance of 500 krns and a width of 15-20 kms. It comprises of four districts, namely Sindhudurg, Ratnagiri, Thane and Raigad. The … Read more
Forest- Types and Conservation of Forest and Forest Resources A forest is a complex ecosystem which is predominantly composed of trees, shrubs and is usually a closed canopy. Forests are storehouses of a large variety of life forms such as Plants, mammals, birds, insects and reptiles etc. Also the forests have abundant Microorganisms … Read more
Environmental problems related to INFRASTRUCTURE-development/”>Infrastructure Development Infrastructure is essential for increasing economic progress and reducing POVERTY. The choices made in the type and scale of infrastructure Investment also have major implications for environmental sustainability. Land New infrastructure typically involves land use change and the selection of the site and its proximity to human … Read more
Environmental concerns of tourism Industry, both positive and negative effects including Climate change with reference to Himachal Pradesh Environmental concerns of tourism All too often, the Environment is the ultimate victim of development and expansion. Growth pressures have seen Dharamshala’s boundaries encroach on previously untouched land as the local Population and tourist demands … Read more