Global Warming

  An increase in the average temperature of Earth’s near surface air and oceans since the mid-20thcentury 4thassessment report of IPCC: global temperature increased 74+18 degree C during the 20thcentury. Caused by greenhouse gases Water vapour, Co2, Methane, Nitrous Oxide, Ozone, CFCs (in order of abundance) Since the industrial revolution, the burning of fossil fuels has increased … Read more Global Warming

WET LAND ECOSYSTEM

  Areas of marsh, fen, peatland/water, whether natural (or) artificial, permanent (or) temporary with water that is static (or) flowing, fresh, brackish (or) salt, including areas of marine water the depth of which at low tide does not exceed 6 mtrs. Wetlands Classification- Inland wetland- a)Natural- Lakes / Ponds, Ox-bow Lakes, Waterlogged, Swamp/marsh b) Manmade- … Read more WET LAND ECOSYSTEM

Environment and Ecological Issues

ECOLOGY   Ecology is  defined “as a scientific study of the relationship of the living organisms with each other and with their environment.” The classical texts of the Vedic period such as the Vedas, the Samhitas, the Brahmanas and the Aranyakas-Upanishads contain many references to ecological concepts .The Indian treatise on medicine, the Caraka- Samhita … Read more Environment and Ecological Issues

Population, environment and development

  The rapid pace of population growth has led to the excessive utilization of natural resources. Huge population also leads to huge production of wastes. The resultant outcomes are loss of biodiversity, pollution of air, water and soil and increased pressure on arable land. All these have been putting great stress on the environment. If … Read more Population, environment and development

Natural Vegetation-Forest types and distribution, wild life, conservation, biosphere reserves

  In India, at present forest areas cover about 76.5 million hectares of land, which is about 23 per cent of the total geographical area. It ranges from about 87 per cent in Andaman & Nicobar Islands to only about 4 percent in Haryana making to range difference of 83 percent. According to our National … Read more Natural Vegetation-Forest types and distribution, wild life, conservation, biosphere reserves

WET LAND ECOSYSTEM

  Areas of marsh, fen, peatland/water, whether natural (or) artificial, permanent (or) temporary with water that is static (or) flowing, fresh, brackish (or) salt, including areas of marine water the depth of which at low tide does not exceed 6 mtrs. Wetlands Classification- Inland wetland- a)Natural- Lakes / Ponds, Ox-bow Lakes, Waterlogged, Swamp/marsh b) Manmade- … Read more WET LAND ECOSYSTEM

Sustainable Development

Bruntland Report (1983) was the first publication and recognition of the term ‘Sustainable Development’ “meeting the needs of the present generation without compromising the needs of the future generation” Three pillars of sustainable development (Bruntland) Care and respect for People, Planet and Prosperity (Commercial Activities) <hence poverty alleviation, conservation and business development> These three pillars … Read more Sustainable Development

Inter-governmental action

IPCC UN Conference on Environment and Development (Earth Summit), 1992 Agenda 21 An action plan of UN relating to sustainable development adopted at the Earth Summit, 1992 UNFCCC Kyoto Protocol IPCC 1988 by World Meteorological Organisation and UNEP tasked with reviewing and assessing the most recent scientific, technical and socio-economic information produced worldwide relevant to … Read more Inter-governmental action

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