Notes and Study material for Exams
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
The Environment Protection Act is an important legislation that provides for coordination of activities of the various regulatory agencies, creation of authorities with adequate powers for environmental protection, regulation of the discharge of environmental pollutants, handling of hazardous substances, etc. The Act provided an opportunity to extend legal protection to non-forest habitats (‘Ecologically Sensitive Areas’) … Read more
Biodiversity is defined as the variability among living organisms from all sources including, inter alia, terrestrial, marine and other aquatic Ecosystems and the ecological complexes of which they are a part; this includes diversity within species, between species, and of ecosystems. Basically biodiversity is the total number of genes, species and ecosystems of a region. It includes … Read more
E — WASTE E-Waste is not hazardous if it is stocked in safe storage or recycled by scientific methods or transported from one place to the other in parts or in totality in the formal sector. The e-waste can be considered hazardous if recycled by primitive methods Survey was carried out by the Central Pollution … 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
Specially designed mock Quiz for Science and Technology for the systematic coverage of PSC Exam prelims syllabus and practice. History Free Mock Quiz has 30 questions. If any issue is observed with answer students may comment below , Science and technology are two of the most important forces shaping our world today. They have the … 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
Soil fertility depleted, the rivers polluted and the forests destroyed. The Indian Scenario India constitutes 18 per cent of the world’s Population, 15 per cent of the live stock population and only 2 per cent of the geographic area, one per cent of the forest area and 0.5 per cent of pasture lands. … Read more
Soil fertility depleted, the rivers polluted and the forests destroyed. The Indian Scenario India constitutes 18 per cent of the world’s Population, 15 per cent of the live stock population and only 2 per cent of the geographic area, one per cent of the forest area and 0.5 per cent of pasture lands. … Read more
Impact of Solid Waste; Recycling and Reuse Health AND ENVIRONMENTAL EFFECTS An effective Solid Waste Management system is necessary to avoid public health disasters, spread of disease by insects and vectors and adverse effect on water and air. Solid waste workers are the most exposed to the risks of parasitic infections and accidents, … Read more