River restoration is not just an ecological act

Despite decades of restoration efforts by a rich ensemble of state-development actors, cultural heritage votaries and rights activists, the …

The political economy of defecation

This is a story about Delhi and the Yamuna, about the relationship between one of India's richest cities and one of her most revered rivers. The …

Pollution pays

Whenever the issue of how to end pollution is raised, it hits a block: technology. Take the case of air pollution: among other things, the issue …

The precarious geopolitics of phosphorous

Both nitrogen and phosphorous are essential to life. Lynchpins both to global food production, circulating through synthesis or export and then …

The lake colony

Call them the "lakers". Some 10,000 of them. Parts of the Dal (land and water) belong to them. And when they feel the need to make a …

Enter -The green rating project

Indian industry is huge. But most environmentalists believe it has done little to reduce pollution, which will only rise as the economy grows. …

The minimum radioactive dose for treating thyroid cancer

The approach to treating thyroid cancer has changed over time. One method is using radioactive iodine to kill left over cells after surgically …

No concrete plans

The Centre for Science and Environment's Green Rating Project team has rated the cement industry. Its findings uncovered some surprises. The …

No land for best option: composting

Thiruvananthapuram, the capital city of Kerala, does not have a municipal waste-treatment facility. Its only plant to treat solid waste, located …

Pure myth

When was the last time you drank water straight from the tap at your house to slake thirst on a hot summer day, without hesitation. Chances are …

Gentle on critical pollution

After declaring 43 industrial areas in India as critically polluted and imposing a moratorium on their expansion, the Union Ministry of …

Mainstreaming co-treatment of faecal sludge for reducing pollution in Ganga

Excreta of 73 per cent of UP’s population is not managed safely. Out of this, 48 per cent is dependent on on-site sanitation systems

NGT scraps 2017 ministry note easing sewage treatment norms

The standards were diluted by the notification that permitted more pollutants than what was allowed under the 2015 CPCB draft

Sugar industry waste turned into next-generation battery material

The methodology developed can be used for wastewaters generated by other polluting industries like tanneries

Ganga bazaar

The Modi government has invested hugely in its mission to clean the Ganga, inviting companies and countries to offer their technological expertise.…

A matter of costs

In a poor country, cost-effectiveness has to be the byword for municipal wastewater treatment. And the upward anaerobic sludge blanket …

Managing greywater: A Haryana village shows the way

Pond-based greywater treatment systems in Kurak Jagir village in Karnal district, Haryana, absorb greywater 

An implantable device, smaller than a rice grain, can shrink pancreatic tumours

Pancreatic cancer one of the most difficult to treat; device can deliver immunotherapy at low doses for a long time

Patiala village uses unique method to treat wastewater

The wastewater treatment plant in Dhingi village uses the Seechewal method to use treated wastewater for irrigation and prevent further …

Swachh Bharat Mission 2: Way ahead for a long-term urban sanitation strategy

State governments need to develop an urban waste water management strategy: A mix of waste water treatment solutions for different towns based on …

Swachh Bharat Mission 2: The pitfalls — and the lure — of centralised urban sanitation system

Tapping nullahs, setting up one-STP without sewerage connectivity is neither a short-term nor a long-term solution for urban towns

Textile units in Rajasthan’s Bhituja Industrial Area continue to pollute groundwater, Luni river: NGT panel

The area’s common effluent treatment plant was unfit to treat the effluents from the bleaching units

Tirumala doesn’t let its water go waste

This temple town treats 83 per cent of its wastewater and uses it for a number of non-potable purposes

Cleaning the suds

A study claims that surfactants found in soaps and detergents pose little risk to the environment. But is that true?

‘Wrap, trap, zap’: New strategy to kill antibiotic resistant bugs in wastewater

Microspheres wrapped in graphene oxide help destroy antibiotic-resistant bacteria and free-floating antibiotic-resistant genes in wastewater plants