Environment

Global warming due to GHGs and Ozone depletion may have following adverse consequences: Faster snow melting and glacier depletion Melting of glaciers will put close to half of  world’s population under threat from flooding in short term and draughts, water and  power shortages in long run. Siachin Glacier has retreated by around 1 km in … Read more

The special characteristics that enable plants and animals to be successful in a particular environment are called adaptations. Epiphytes are plants that live on the surface of other plants, especially the trunk and branches. They grow on trees to take advantage of the sunlight in the canopy. Most are orchids, bromeliads, ferns, and Philodendron relatives. … Read more

. A still larger issue now emerging is the environmental issues, erosion of forest cover, etc,  around the infrastructure projects. The present issues being faced in Orissa and other  states on projects which can not only alter the face of the state but also the nation in terms  of economic development need deeper introspection. The … Read more

Edge effect: Edge effects refer to the changes in population or community structures that occur at the boundary of two habitats. Trophic cascade: A trophic cascade is an ecological phenomenon triggered by the addition or removal of top predators and involving reciprocal changes in the relative population of Predator and prey through a food chain … Read more

. Due to its low capital cost, groundwater is the most preferred source of water in India. According to an  estimate, groundwater accounts for nearly 80 per cent of the rural domestic water needs, and 50 per  cent of the urban water needs in India.   However, a variety of land and water- based human activities … Read more

The surface water percolates well when the rocks are permeable, thinly bedded and highly jointed and cracked. After vertically going down to some depth, the water under the ground flows horizontally through the bedding planes, joints or through the materials themselves. It is this downward and horizontal movement of water which causes the rocks to … Read more

Basel Convention: The Basel Convention on the Control of Transboundary Movements of Hazardous Wastes and their Disposal was adopted on 22 March 1989 by the Conference of Plenipotentiaries in Basel, Switzerland, in response to a public outcry following the discovery, in the 1980s, in Africa and other parts of the developing world of deposits of … Read more

Under this initiative, TRIFED will integrate its Pradhan Mantri Van Dhan Yojana with this global environmental intervention termed as TICD (TRIFED’s Initiative to Combat Desertification). TRIFED will be partnering with the German Cooperation (GIZ) to involve the tribal community for rehabilitating the degraded land while supplementing the income of tribal community. 4P1000 Initiative: The international … Read more

Ecological efficiency is the amount of energy that is transferred from one trophic level to the next. It is defined as the energy supply available to trophic level N + 1, divided by the energy consumed by trophic level N. This follows the 10% rule, which states that roughly 10% of the energy at one … Read more

. Virtual water (VW) is the water ‘embodied’ in a product, not in real sense, but in virtual sense. It refers to the water needed to produce a product. Every product has a unique water footprint defined as the total volume of fresh water used to produce the goods and services consumed by the individual … Read more