Environment

Hydrofluorocarbons (HFCs) are a group of industrial chemicals primarily used for cooling and refrigeration. HFCs were developed to replace stratospheric ozone-depleting substances that are currently being phased out under the Montreal Protocol on Substances that Deplete the Ozone Layer. Many HFCs are very powerful greenhouse gases and a substantial number are short-lived climate pollutants with … Read more

  Flagship species: A flagship species is a species selected to act as an ambassador, icon or symbol for a defined habitat, issue, campaign or environmental cause. By focusing on, and achieving conservation of that species, the status of many other species which share its habitat – or are vulnerable to the same threats – … Read more

Soil Health Card (SHC) is a Government of India’s scheme promoted by the Department of Agriculture & Co-operation under the Ministry of Agriculture and Farmers’ Welfare. It is being implemented through the Department of Agriculture of all the State and Union Territory Governments. A SHC is meant to give each farmer soil nutrient status of … Read more

  located where river meets the sea. the most productive water bodies in the world The complete salinity range from 0-35 ppt is seen from the head (river end) to the mouth (sea end) of an estuary Coastal lakes which have their connection with the sea through small openings are better known as lagoons or … Read more

Wetlands are areas of marsh or peatland with water that is static or flowing, fresh, brackish or saline, including areas of marine water the depth of which at low tide does not exceed 6 m.   Wetlands are transition zones between terrestrial and aquatic ecosystems. E.g. Mangroves, lake littorals (marginal areas between highest and lowest … Read more

: National Green Corps is a major initiative of MOEFCC for creating environmental awareness launched in 2001-02 which aims at building cadres of young children working towards environmental conservation and sustainable development .   It is operated through Eco-clubs set up in schools registered as members of  NGC, this programme exposes school children to in-depth field … Read more

Deserts have almost no precipitation, or rainfall. In fact, deserts are specifically defined as areas with an average annual precipitation of less than 10 inches per year. Deserts usually have really high daytime temperatures, low nighttime temperatures, and very low humidity. Desert soil is often sandy, rocky, or gravely. Plant life is highly specialized to … Read more

Different types of biofertilizers  Rhizobium Rhizobium is a soil habitat bacterium, which can able to colonize the legume roots and fixes the atmospheric nitrogen symbiotically. The morphology and physiology of Rhizobium will vary from free-living condition to the bacteroid of nodules. They are the most efficient biofertilizer as per the quantity of nitrogen fixed concerned. … Read more

Different methods are used for treatment of solid waste and the choice of proper method depends upon refuse characteristics, land area available and disposal cost they are as follows Incineration Compaction Pyrolysis Gasification Composting Incineration It is a controlled combustion process for burning solid wastes in presence of excess air (oxygen) at high temperature of … Read more