Research Papers

  • “There is a special type of black ant that is visible just before (and during) the onset of heavy rains. They start coming out of the ground in large numbers with their eggs in their mouths and only travel in a straight line, like a railway track,” informs Chandrika Mahato, a keen observer of ...
    aarti kelkar kh...posted 1 year 3 months agoread more
  • "Darjeeling today has a thriving water business, with a fleet of 105 trucks plying three or four trips a day from April to June, carrying 5500 to 6500 litres of water on each run" Source: Lama and Rai (2016)  'Chokho Pani: An Interface Between Regional And Environment In Darjeeling'. Himalay...
    aarti kelkar kh...posted 1 year 3 months agoread more
  • The recent news on the forced eviction of more than 1,000,000 tribal and other forest-dwelling households from 16 states by a Supreme Court order has again brought the long-debated issue of the role of the state and the community in forest governance to the forefront. The order comes in response to ...
    aarti kelkar kh...posted 1 year 3 months agoread more
  • The Hindu Kush Himalayas (HKH) cover 3500 kms across eight countries namely Afghanistan, Bangladesh, Bhutan, China, India, Myanmar, Nepal and Pakistan. Commonly described as the “water towers for Asia” the HKH are the source of 10 major rivers including the mighty Ganges, Brahmaputra and the Ind...
    aarti kelkar kh...posted 1 year 3 months agoread more
  • According to the Swachh Bharat Mission (SBM) website, access to toilets has improved in India and 28 out of 36 states and Union Territories are now open defecation free (ODF). While that’s good news, managing faecal sludge in ODF states in an eco-friendly way continues to be a big challenge. ...
    makarandpurohitposted 1 year 4 months agoread more
  • Plastic or non-biodegradable waste can prove to be highly fatal for terrestrial or land-based ecosystems as well as marine ones. While the impacts of non-biodegradable waste or plastic waste on the marine ecosystems have been extensively researched, its impact on terrestrial ecosystems is still poor...
    aarti kelkar kh...posted 1 year 4 months agoread more
  • One of the most laudable initiatives of the current government’s regime is the Swachh Bharat Mission (SBM) that was launched on Oct 2, 2014, with a larger vision of a clean India. The critical aspect of the mission was that—unlike many of the movements that preceded it—this had a measurable ou...
    priyadposted 1 year 5 months agoread more
  • The impact of global warming on the hydrological cycle should be of paramount concern to all because global warming affects rainfall patterns in various ways like triggering more extreme rainfall events. Unpredictable changes in runoff make it difficult to plan infrastructure to manage water resourc...
    aarti kelkar kh...posted 1 year 7 months agoread more
  • The garbage crisis is not only invading Indian cities, but coasts as well, and the problem is assuming grave proportions. The incident in early June this year that saw nearly 120 tonnes of trash washed ashore on Juhu beach in Mumbai exposed the high levels of pollution that the Indian coasts are sub...
    aarti kelkar kh...posted 1 year 7 months agoread more
  • India is running out of water fast. As if this is not bad news enough, it has been found that even the available water is highly polluted with organic and hazardous pollutants. Infact, a recent Water Aid report finds that India is among the top countries with the worst access to clean water clo...
    aarti kelkar kh...posted 1 year 7 months agoread more
  • Scientists are literally looking into the ground for clinching evidence of climate change. A new study of geothermal records across India has shown that the country has experienced about one degree of warming over the baseline mean temperature of the 19th century. The new study that combines data f...
    arathiposted 1 year 8 months agoread more
  • Farming is said to be witnessing a “second GR” or Gene Revolution, after Green Revolution, with the introduction of genetically modified Bt cotton in India. Gujarat, Maharashtra and Andhra Pradesh are the top cotton-producing states in India with a large section namely, 81 percent, 92 percent a...
    aarti kelkar kh...posted 1 year 8 months agoread more
  • Wetlands are very important and productive ecosystems that support a wide range of plants and animals and provide livelihood opportunities to local communities in India. However, they are increasingly being threatened by rapid urbanisation, pollution, developmental interventions, unsustainable manag...
    aarti kelkar kh...posted 1 year 8 months agoread more
  • Antimicrobial resistance (AMR) is on the rise globally with the threat more severe in developing countries such as India. Antimicrobial resistance occurs when bacteria develop the ability to withstand the drugs (antibiotics) designed to kill them. This happens due to overuse and misuse of antibiotic...
    aarti kelkar kh...posted 1 year 8 months agoread more
  • The family of Somesh Manikpuri of Amasivani colony in Raipur is still in shock of his sudden demise from jaundice in May this year. Six similar deaths have been reported from Raipur since April 2018. Memsingh Chandrakar, a resident of Naharpara, another locality in Raipur, was also affected by jaund...
    makarandpurohitposted 1 year 9 months agoread more
  • Sacred groves are undisturbed or preserved patches of vegetation or forested areas located on the outskirts of villages, towns or plains that are conserved by communities by dedicating them to local folk deities or ancestral spirits. Locals believe that these forests belong to deities and their dest...
    aarti kelkar kh...posted 1 year 10 months agoread more
  • India is highly vulnerable to desertification. Desertification not only leads to loss of biodiversity but can also negatively affect food production leading to poverty, hunger, economic instability, competition for scarce land and water resources and migration. What is desertification? It is a form...
    aarti kelkar kh...posted 1 year 11 months agoread more
  • Up until two decades ago, the main sources of drinking water in Rajasthan included surface water from perennial ponds, reservoirs, lakes, dams, rivers and streams with borewells and tubewells used sparingly and only in remote areas. All this changed when guinea worm infections started appearing in t...
    aarti kelkar kh...posted 2 years 2 weeks agoread more
  • Agriculture is of central importance to India’s economy with more than half of the workforce in the country depending on it for their livelihoods. However, it is increasingly being threatened due to climate-change-induced changing rainfall patterns and water scarcity having a negative impact on pr...
    aarti kelkar kh...posted 2 years 3 months agoread more
  • It is a fairly common practice among people to buy bottled drinking water while travelling in India with the hope that it will minimise the risk of getting ill due to contaminated water. But is this water safe to drink? Recent evidence shows that as high as three out of 10 units of the packaged dri...
    aarti kelkar kh...posted 2 years 3 months agoread more

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Groundwater use has doubled in Pune. Comprehensive mapping of groundwater resources and better management and governance is the need of the hour.

Pune continues to face a water crisis every summer despite having sufficient water, thanks to its geographical location and plentiful natural water assets. While enough of its water needs are taken care of by water supply from the Khadakwasla dam, the use of groundwater to meet the needs of the population continues to increase.

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While ice stupas have been hailed as sustainable solutions to the water problems of Ladakh’s villages, the locals think otherwise.

Ladakh, the arid Himalayan desert, is a high elevation borderland located close to the Union Territory (UT) of Jammu and Kashmir, in India. Water here originates from glaciers in the high altitude mountains that tower over Ladakh’s villages. Simple earthwork irrigation channels tap meltwater from streams that originate from these glaciers. The glaciers are extremely sensitive to seasonal variations and serious concerns have been raised in recent years on the impact of climate change on glacier recession and the subsequent sustainability of water resources in the region.

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A study using remote sensing techniques assesses significant changes in land use in Loktak lake.

Loktak, the largest freshwater lake in North East India is also known as the ‘floating lake’ for the numerous phumdis or masses of vegetation it supports. The phumdis float around on the lake’s surface due to decay from the bottom. Some are so large that the indigenous fishing folk Meiteis have constructed makeshift floating huts locally known as phumsangs on them.

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Groundwater, drawn at rapid rates from peri-urban areas of Hyderabad is now turning into a commodity, controlled and distributed by a few, to meet the needs of the urban elite.

Peri urban spaces swept up in the urbanisation tangle

Urban growth and expansion of cities is increasing the demand for land and water, increasing pressure on resources available not only in urban, but also in peri-urban areas. State policies often use peri-urban spaces and resources to meet the needs of urban populations; for instance, they use grazing lands for urban infrastructure, sewerage and water treatment plants or for special economic zones.

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Study analysing data of sea surface temperatures since 1982 finds that three mass bleaching events impacted five major Indian coral reefs.

Bengaluru, September 24 (India Science Wire): The Indian coastline is home to an ancient and diverse coral reef system that provides natural habitat for diverse marine underwater ecosystem. Also, they hold importance in fisheries, tourism and as a repository of medicinal, agronomical and industrial products.

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While farm ponds in Jharkhand have helped farmers increase yields, they have also exposed them to the risk of price fluctuations, highlighting the need for ‘beyond the farm’ interventions.

While enhanced irrigation coverage has been hailed as an important way to improve agricultural productivity, it continues to lag behind in India and agriculture continues to be rainfed, subject to the vagaries of the monsoon. High groundwater dependence for irrigation has not only led to its depletion and quality deterioration, but has also raised questions about its sustainability in the long run.

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It is time water policies in India acknowledge that many large dams have aged and can no longer be looked upon as the only path to water security.

India is reeling from a severe water crisis. Large parts of the country are experiencing water-stress worsened by the ever increasing demand for water due to population growth, rapid urbanisation, changing lifestyles and consumption patterns, inefficient use of water and climate change.

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Open defecation plays a key role in solving the puzzle of persistent childhood malnutrition in India, says study

A pig snorts after emerging from the open drain that passes through a slum in the Digha area of south Patna. Small children crawl on the road nearby with slime dribbling from their nose. Children can be seen picking through garbage at the local dump and for ghongha (snails) at the local talaab (pond).

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A study develops a peri-urban and rurban water and sanitation index for Pune.

Drinking water programs in India treat urban and rural areas separately, generally neglecting the special characteristics of settlements referred to as peri-urban – those on the outskirts or peripheries of urban areas, or “rurban” settlements i.e. rural areas with urban facilities.

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A study shows how the open space on the western bank of the Sabarmati river in Ahmedabad acts as a heat sink.

A study published in the Journal of Remote Sensing and Space Sciences, analyzing the cooling effect of the city of Ahmedabad’s water bodies, has thrown up some interesting findings. The east bank of the Sabarmati river, which flows through Ahmedabad, was found to be significantly cooler than the west bank, witnessing a greater drop in temperature even during summer. The study provides direct evidence of how water bodies affect temperature variations.

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