Rivers

Order of the National Green Tribunal regarding deterioration of Nayar river, Uttarakhand, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Nayar river is vanishing - a yatra reveals conservation goes beyond science and policy" appearing in ‘The Down To Earth’ dated 03.06.2025. The original application was registered suo-motu based on the news item titled "Nayar …

Stream denitrification across biomes and its response to anthropogenic nitrate loading

Anthropogenic addition of bioavailable nitrogen to the biosphere is increasing and terrestrial ecosystems are becoming increasingly nitrogen-saturated, causing more bioavailable nitrogen to enter groundwater and surface waters. Large-scale nitrogen budgets show that an average of about 20

Nitrogen cycle: Out of reach

Denitrifying bacteria and hungry plants do sterling work in disposing of the nitrates that we pump into rivers and streams. But as the excess influx goes up and up, the efficiency of removal goes down and down.

TMC debates who will oversee construction of dam at Shai river

Thane Municipal Corporation (TMC) approved the construction of a civic dam at Shai River in Murbad Taluka of the district. The House is, however, debating the formation of an authority to oversee the construction of the mega water project through the state irrigation department. The debate remains unsolved. The highly-awaited …

Crying need: Assess impact of drying rivers on water projects

Scientific evidence on climate change leading to drying up of rivers in Gujarat is overwhelming, as it points to significant risks of water scarcity. Experts say, Gujarat needs judicious investments in infrastructures that conserve, enhance and utilize water optimally with a long-term view. When huge investments for water projects like …

Extreme climate threatens to shrink Gujarats rivers

Gujarat is a waterstressed state going by the definition of such areas as those having water availability below 1700 cum/ca/annum (cubic meter per capita per year). According to Priyadarshi Shukla, member of Intergovernmental Panel on Climate Change (IPCC) and IIM-A faculty, the Sabarmati river basin has an annual per capita …

Govt may move SC on water share

The Delhi government is planning to go to the Supreme Court to seek a direction to the Haryana government for releasing adequate water from Tajewala so that the Yamuna reaches an optimum level in the national Capital. Chief Minister Sheila Dikshit said that neighbouring state governments were aware of Delhi's …

Workplan for rivers must: Study meet recommendations

Rivers are facing crisis of their existence. Though trees are being axed but they are not being planted in the same proportion. Small rivers are continuously disappearing and big rivers' water assets is decreasing. Rivers are getting polluted and water animals are decreasing continuously. Tributaries, which are the main source …

The Klamath : No dam means no damn deal

Water wars in the arid western US are nothing new, but the rules of engagement have changed. The Klamath River basin on the California-Oregon border has seen the stage for a decades-long epic battle between farmers, fisherman, government agencies, utilities and tribes with treaty rights to dwindling salmon populations. More …

Marginal-quality water resources and salt-affected soils

There are two broad categories of marginal-quality water: wastewater generated by the domestic, commercial, and industrial sectors; and saline water from agricultural drainage systems, surface runoff, or pumped from overexploited aquifers. Millions of small-scale farmers around the world irrigate with marginal-quality water, often because they have no alternative.

Tenders called for tail pond link canal project

Tenders of one and four package of Dummugudem-Nagarjunasagar Project tail pond link canal, the first of its kind in the country in river linkage of Godavari and Krishna rivers, would be put online for e-procurement on February 27. The first package is an approach canal from zero to 6.5 km …

DDA to withdraw Yamuna zonal plan

The Delhi Development Authority has decided to withdraw the draft Yamuna River Zonal Plan dealing with 90 square kilometres of active flood plain of the river here. The Authority gave this assurance to a Division Bench of the Delhi High Court comprising Justice A.K. Sikri and Justice Rekha Sharma during …

Gerrymandering, poverty and flooding: A perennial story of Bihar

Bihar's fall from a state with healthy socio-economic indices to now being one of India's least developed states has been drastic. The major failures lie in governance, and in the downfall of the agricultural sector. A study of the perennial story of flooding and relief measures and the consequent failure …

Riverine tragedy

A deep disregard for lessons from the 2005 floods has made Mumbai

Wailing over a murdered lake: the Badha

Badha lake at the periphery of Fazilka town has dried up. The Badha lake, with its fresh water source and green surroundings was the attraction for establishing the boating station at this place. Now that it was dried up and is likely to be never change with water from Sutlej. …

Organochlorine pesticide residues in the major rivers of Southern Thailand

Environmental contaminations by organochlorine pesticides (OCPs) of inland water have been a global issue, since most of these compounds are very persistent, bioaccumulative and toxic compounds. Due to the widespread use of DDT for malaria vector eradication programs in the past and no comprehensive works have been conducted to assess …

Analysis of organochlorine pesticides in the Hindon river water, India

Pesticides are notorious contaminants due to their toxic and carcinogenic nature and, unfortunately, are distributed globally in air, water, sediment, soil and foods even to the places where they have not been used before. SPE and GC methods were developed to analyze organochlorine pesticides. The optimization was achieved by varying …

Extreme rainfall analysis and estimation of Probable Maximum Precipitation (PMP) by statistical methods over the Indus river

Annual extreme rainfall series of 1-3 day durations at stations located inside the Indus basin in India were subjected to statistical analysis in order to estimate point Probable Maximum Precipitation (PMP) and maximum rainfall of different return periods for the durations of 1-3 days. Daily rainfall data of 210 stations …

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