Environment

Project Tiger was launched in 1973 for conserving the tiger. From 9 tiger reserves since its formative years, the Project Tiger coverage has increased to 50, spread out in 18 of tiger range states. These reserves are constituted on a core / buffer strategy. The core areas have the legal status of a national park … Read more

Upwelling is a process in which deep, cold water rises toward the surface. Winds blowing across the ocean surface push water away. Water then rises up from beneath the surface to replace the water that was pushed away. Upwelling occurs in the open ocean and along coastlines. Water that rises to the surface as a … Read more

The major components of a rainwater harvesting system are as follows:  Collection system: Roof surface and gutters to capture the rainwater and send it to the storage system  Inlet filter: Screen filter to catch large debris  First flush diverter: Diverter that removes debris not captured by the inlet filter from the initial … Read more

Solid Waste treatment and disposal utilizing plasma arc gasification process is an option for eco-friendly solid waste management in which large volume reduction of waste up to 95% is possible. The plasma gasification process uses electricity to generate high temperature plasma arc (above 3000°C) inside the plasma reactor which converts the waste into syngas. The … Read more

The National Biodiversity Authority (NBA) was established in 2003 by the Central Government to implement India’s Biological Diversity Act (2002). The NBA is a Statutory body and that performs facilitative, regulatory and advisory function for Government of India on issue of Conservation, sustainable use of biological resource and fair equitable sharing of benefits of use. … Read more

The National Highways Authority of India (NHAI), a public sector undertaking under the Ministry of Road Transport and Highways, has developed a mobile App called ‘Harit Path’ to monitor location, growth, species details, maintenance activities, targets and achievements of each of its field units for each and every plant under all plantation projects. ‘Harit Bharat … Read more

Ethanol is a green fuel and its blending with petrol also saves foreign exchange Government has 10% blending target for mixing ethanol with petrol by 2022 & 20% blending target by 2030 The liquid biofuel in greatest production is ethanol (ethyl alcohol), which is made by fermenting starch or sugar. Brazil and the United States … Read more

Reducing Emissions from Deforestation and Forest Degradation (REDD+) under UNFCCC is a global endeavor to use carbon sequestration potential of the forests to manage climate change within acceptable limits of tolerance. In simple terms, REDD+ means “Reducing Emissions from Deforestation and forest Degradation”, conservation of forest carbon stocks, sustainable management of forests, and enhancement of … Read more

An oligotrophic lake or water body is one which has relatively low productivity due to the low nutrient content in the lake. These lakes usually have quite clear water due to the limited growth of algae in the lake. The waters of such lakes are of high-drinking quality. Such lakes support aquatic species who require … 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