What is Coastal Regulation Zone?

What is Coastal Regulation Zone? The coastal land up to 500m from the High Tide Line (HTL) and a stage of 100m along banks of creeks, estuaries, backwater and rivers subject to tidal fluctuations, is called the Coastal Regulation Zone. Note: High Tide Line (HTL) is the line on land up to which the highest … Continue reading What is Coastal Regulation Zone?

About Butterfy migration

About Butterfy migration Usually butterfly migration starts during October-November with the onset of the northeast monsoon, from the plains to the ghats, and during April-May, just before the advent of the southwest monsoon, from the ghats to the plains. Migration takes place across the plains of southern India to the southern part of the Sahyadri … Continue reading About Butterfy migration

About the crop Chickpea

About the crop Chickpea The chickpea (Cicerarietinum) is a legume that belongs to the family Fabaceae. Chickpea is the world’s second most important pulse legume, with particular importance in the semi-arid tropics of sub-Saharan Africa and South Asia. Contents Chickpeas are rich in proteins, and are grown in many parts of the world for human … Continue reading About the crop Chickpea

About Sarus Crane

About Sarus Crane It is world’s tallest flying omnivorous bird, which is over 5 feet on average. It is State bird of Uttar Pradesh. Sarus Crane is non-migratory crane found in parts of the Indian Subcontinent, Southeast Asia and Australia. It is India’s only resident breeding crane. International Union for Conservation of Nature (IUCN) status: … Continue reading About Sarus Crane

Climate Vulnerability Index

Climate Vulnerability Index The Climate Vulnerability Index will be developed on the basis of a study being carried out assessing the climate risks faced across all states. The DST will also develop a Climate Portal that presents district-wise data relating to climate vulnerability. Vulnerability would be a measure of the inherent risks a district faces, … Continue reading Climate Vulnerability Index

About Asiatic Lions

About Asiatic Lions Asiatic Lions are critically endangered species, listed in the Schedule 1 of Wildlife (Protection) Act 1972, Appendix I of CITES and endangered on IUCN Red List. Asiatic lions were once distributed in dry deciduous forests and scrublands from West Bengal in east to Rewa, MP in the west. Currently, the last surviving population of … Continue reading About Asiatic Lions

The problem with diesel

Headline : The problem with diesel Details : Context Automakers in India in the recent times have started moving away from diesel cars value chain. The proportion of diesel cars in the total passenger vehicles sales has decreased from 48% in 2012-13 to 22% in 2018-19.   Reason Decrease in price differential The price differential between … Continue reading The problem with diesel

Tropical Cyclones

About Cyclone Fani Cyclone Fani (pronounced as Foni) is a pre-monsoon tropical cyclone recently developed over Bay of Bengal. It has been predicted that Cyclone Fani is likely to turn into a ‘severe cyclonic storm’ and may further develop into an ‘extremely severe cyclone storm’. Impact:   Tropical Cyclones Cyclones developed in the regions between … Continue reading Tropical Cyclones

Marine plastic pollution: A backgrounder

Marine plastic pollution: A backgrounder Plastic is the most prevalent type of marine debris found in oceans. According to UNEP, about 8 million tons of plastic waste enters the world’s oceans each year. Further 60-80% of the litter in oceans is plastic. Currently the focus of studies on marine pollution is microplastic pollution.   Causes … Continue reading Marine plastic pollution: A backgrounder

In brief: Flyway of migratory birds

In brief: Flyway of migratory birds What is a flyway? Flyways are akin to highways in the sky for migratory birds. The area covered by migratory birds over the course of its annual cycle is known as the flyway of that bird. The migration routes often follow a north-south axis covering more than 30 countries. … Continue reading In brief: Flyway of migratory birds

About Plastic Waste

About Plastic WastePlastic waste in general is classified into 2 categories:Thermoplastic: 94% of total plastic waste in India and is recyclableThermoset: 6% of the total plastic waste and in non-recyclableThe main reason of high amount of plastic waste in Indian cities is because of low level of recycling.Segregation of the waste at the source is … Continue reading About Plastic Waste

What is a bird sanctuary?

What is a bird sanctuary? A bird sanctuary is a natural area that is designed to protect and conserve various species of birds and their natural habitats alongwith their rehabilitation and survival. Need for Thinungei Bird Sanctuary Loktak’s wetland cluster has witnessed a sharp fall in numbers of birds- both migratory and residents. According to Loktak … Continue reading What is a bird sanctuary?

Kaladan multi-model transit transport project

Kaladan multi-model transit transport project India entered into a framework agreement with Myanmar in April 2008 to facilitate implementation of the project. Objective: To create a multi-modal sea, river and road transport corridor for shipment of cargo from the eastern ports of India to Myanmar through Sittwe port as well as to North-Eastern part of India … Continue reading Kaladan multi-model transit transport project

GHG Emissions

GHG Emissions in Cities According to the Global Carbon Project, the biggest emitters in 2018 are China, the U.S., EU, India and Russia. India is set to be the 4rd highest contributor with a projected emissions rise of 6.3% in 2018 compared to 2017.   Effect of CO2 emissions Carbon dioxide is a major green house gas. … Continue reading GHG Emissions

In Focus: Solar Thermal Systems

In Focus: Solar Thermal Systems Solar Photovoltaic (PV) Solar Photovoltaic (PV) is a technology that converts sunlight (solar radiation) into direct current electricity by using semiconductors. When the sun hits the semiconductor within the PV cell, electrons are freed and form an electric current. Solar PV technology is generally employed on a panel (hence solar … Continue reading In Focus: Solar Thermal Systems

In Focus: Solar Thermal Systems

In Focus: Solar Thermal Systems Solar Photovoltaic (PV) Solar Photovoltaic (PV) is a technology that converts sunlight (solar radiation) into direct current electricity by using semiconductors. When the sun hits the semiconductor within the PV cell, electrons are freed and form an electric current. Solar PV technology is generally employed on a panel (hence solar … Continue reading In Focus: Solar Thermal Systems

About Olive Ridley Turtles

About Olive Ridley Turtles The Olive Ridley turtle is the smallest and most abundant of all sea turtles, named for the generally greenish color of its skin and shell, or carapace. Olive Ridleys are found only in warmer waters, including the southern Atlantic, Pacific and Indian Oceans. It is best known for their unique mass … Continue reading About Olive Ridley Turtles

Groundwater Depletion

Important Facts The total estimated groundwater depletion in India is in the range of 122–199 billion metre cube. With 230 billion metre cube of groundwater drawn out each year for irrigating agriculture lands in India, many parts of the country are experiencing rapid depletion of groundwater. The Indo-Gangetic Plain, northwestern, central and western parts of … Continue reading Groundwater Depletion

Jerzego sunil limaye

In focus: Jerzego sunil limaye Morphology Large body size (Females double the size of Males) A crescent-shaped golden–yellow stripe in the posterior half of the abdomen Habitat Areas covered with a thick canopy dominated by trees, such as Mango Trees.   In brief: Jumping Spiders and Spiders Jumping spiders Jumping spider family is the most … Continue reading Jerzego sunil limaye

Important Environment

About National Board of Wildlife • National Board for Wild Life is a “Statutory Organization” constituted under the Wildlife Protection Act, 1972. • Theoretically, the board is “advisory” in nature and advises the Central Government on framing policies and measures for conservation of wildlife in the country. • It serves as apex body to review all wildlife-related matters and approve projects in and around national … Continue reading Important Environment

About Meghamalai Wildlife Sanctuary

About Meghamalai Wildlife Sanctuary Megamalai Wildlife Sanctuary spreads over 636 square kilometers in Western Ghats in Tamil Nadu. It borders the Periyar Tiger Reserve in Kerala, thus provides an important buffer zone for tiger population, in addition to being an important elephant corridor. The sanctuary has 10% of the overall population of lion-tailed macaque and Nilgiri Tahr (Tamil … Continue reading About Meghamalai Wildlife Sanctuary

About Polavaram dam project

About Polavaram dam project Polavaram irrigation project is a multipurpose irrigation project across Godavari river in West Godavari district with its reservoirs spreading across states of Chhattisgarh and Orissa as well. The project implements Godavari-Krishna link under Interlinking of rivers project. Indira Sagar (Polavaram) project is located on river Godavari near Ramayyapet village of Polavaram … Continue reading About Polavaram dam project

In brief: Oil Spills

In brief: Oil Spills Oil Spill is basically leakage of crude oil and its products in the environment. While oil spills are catastrophic when they occur in water, they can severely affect the environment when they occur on land too. In water, the major oil spills occur due to accidents, release of crude oil from … Continue reading In brief: Oil Spills

In brief: Oil Spills

In brief: Oil Spills Oil Spill is basically leakage of crude oil and its products in the environment. While oil spills are catastrophic when they occur in water, they can severely affect the environment when they occur on land too. In water, the major oil spills occur due to accidents, release of crude oil from … Continue reading In brief: Oil Spills

In brief: Ban on plastic waste import

In brief: Ban on plastic waste import Plastic imports: Global Trends Globally, plastic wastes from developed countries find their way to developing countries as they do not recycle their plastic waste on their own. China was a leading importer of plastic waste until recently when it banned the import of plastic waste. After Chinese ban, … Continue reading In brief: Ban on plastic waste import

In brief: Ban on plastic waste import

In brief: Ban on plastic waste import Plastic imports: Global Trends Globally, plastic wastes from developed countries find their way to developing countries as they do not recycle their plastic waste on their own. China was a leading importer of plastic waste until recently when it banned the import of plastic waste. After Chinese ban, … Continue reading In brief: Ban on plastic waste import

What is ‘Clean Air India Initiative’?

What is ‘Clean Air India Initiative’? The Clean Air India Initiative is a collaborative project between Get In The Ring, a platform for start-ups, the government of the Netherlands, Start-up India, and INDUS Forum, an online matchmaking platform of Indian and Dutch businesses. It is the component of the Indo-Dutch #StartUpLink initiative which was launched … Continue reading What is ‘Clean Air India Initiative’?

About Vulture species in India

About Vulture species in India   About Vulture species in India Vultures can soar to a height of 7,000 feet and can easily cover distance of more than 100 km in one go. Vultures belong to various species, nine of which are found in India. Of these nine species, four are listed as Critically Endangered, … Continue reading About Vulture species in India

About Kachenzenga landscape

About Kachenzenga landscape The Kangchenjunga Landscape (KL) is one of the six transboundary landscapes identified by the International Centre for Integrated Mountain Development (ICIMOD) in the Hindu Kush Himalayan (HKH) region. It stretches along the southern side of Mount Kangchenjunga. It covers an area of 25,080.8 km2 and spreads across part of eastern Nepal (21%), … Continue reading About Kachenzenga landscape

Water cycle

Water cycle The water circulation in the atmosphere primarily occurs through the processes of evaporation, transpiration, condensation and precipitation.   Condensation and Precipitation in Tropical areas Condensation The capacity of air to hold water vapour decreases with decrease in temperature and at one point ceases. The excess water vapour the air cannot hold anymore condenses … Continue reading Water cycle

Biodiversity in the islands

Biodiversity in the islands The presence of a large number of species in such a small area makes the Andaman and Nicobar Islands one of the richest ecosystems and biodiversity hot spots in India. The Narcondam hornbill, its habitat restricted to a lone island; the Nicobar megapode, a bird that builds nests on the ground; … Continue reading Biodiversity in the islands

El Niño-Southern Oscillation (ENSO)

The News According to a recent study, new evidences have been found that suggest that winter rainfall in India is heavily influenced by the variability in sea-surface temperatures of Pacific Ocean.   Variability in sea-surface temperatures of Pacific Ocean: El Niño-Southern Oscillation (ENSO) The El Niño-Southern Oscillation (ENSO) is a recurring climate pattern involving changes in … Continue reading El Niño-Southern Oscillation (ENSO)

El Niño-Southern Oscillation (ENSO)

The News According to a recent study, new evidences have been found that suggest that winter rainfall in India is heavily influenced by the variability in sea-surface temperatures of Pacific Ocean.   Variability in sea-surface temperatures of Pacific Ocean: El Niño-Southern Oscillation (ENSO) The El Niño-Southern Oscillation (ENSO) is a recurring climate pattern involving changes in … Continue reading El Niño-Southern Oscillation (ENSO)

Headline : Operation Meghdoot: 34 years ago, how India won Siachen

Headline : Operation Meghdoot: 35 years ago, how India won Siachen Details : The article: April 13, 1984, was when India first deployed its men at Siachen. Thirty four years on, with 163 casualties in the past decade and nearly 900 overall, the soldiers continue to remain on this icy, barren land.   Article summary: Karachi … Continue reading Headline : Operation Meghdoot: 34 years ago, how India won Siachen

The magic biopolymer gel

In focus: The magic biopolymer gel The magic biopolymer was made by chemically treating ‘chitosan’, which is a natural biopolymer. Chitosan is a polysaccharide present in chitins of organisms such as shrimp. The chemically fabricated biopolymer gel can switch from being water-repelling in air and oil-repelling under water. This is the first time that a … Continue reading The magic biopolymer gel

About Ozone

About Ozone Ozone is a molecular form of oxygen with 3 oxygen atoms. In the stratosphere, ozone is being created by the absorption of short wavelength ultraviolet radiations which decomposes molecular oxygen into atomic oxygen. The atomic oxygen then reacts with molecular oxygen to form ozone. Ozone thus formed distributes itself in the stratosphere and … Continue reading About Ozone