Chemical Pollution

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October 10, 2021 India needs an official national emissions inventory for pollutants, as existing ones show 37% variation
Database needed to assess emissions from industries, power plants, road transport, domestic sources, and agricultural waste burning (Image: Pxfuel)
September 10, 2021 With each new report, the number of polluted cities in India is increasing
According to a Greenpeace India report released on January 21, 2020, 80 per cent of the country's cities are polluted by national standards (Image: Max Pixel, License CC0)
August 4, 2021 Detritivores, scavenger organisms inhabiting freshwater bodies such as streams are crucial for the survival of water bodies. However, anthropogenic changes are killing them!
View of a s stream in Kerala (Image Source: Firos AK via Wikimedia Commons)
June 24, 2021 Freshwater ecosystems in India are known to harbour rich biodiversity, but their health is being increasingly challenged in recent years. And the East Kolkata Wetlands are no exception!
Fishermen use wastewater from Kolkata to rear fish (Image Source: India Water Portal)
June 22, 2021 Nonylphenol and its ethoxylates in drinking water: A health challenge
Water treatment facilities are incapable of removing many chemical compounds and need to be upgraded (Image: PxHere)
June 22, 2021 Policy matters this fortnight
Yamuna flows under (Image source: IWP Flickr photos)
Water contamination and pollution - A growing challenge for health and biodiversity
Contamination and pollution of water is on rise in India. Here is all the information you need to know on the causes and effects of water contamination and pollution. Aarti Kelkar Khambete posted 1 week 4 days ago

Where is water on earth located?

Water on earth exists in two forms, freshwater and salt water. Less than 3 percent of the water found on earth is freshwater, and the remaining 97 percent is salt water found in the oceans.

Poisoned waters of the Yamuna (Image Source: India Water Portal)
India needs a comprehensive emissions database
India needs an official national emissions inventory for pollutants, as existing ones show 37% variation Amita Bhaduri posted 2 weeks 4 days ago

India needs to develop and maintain a comprehensive inventory of baseline emissions to ascertain whether its policy and technological interventions are able to reduce air pollution, according to an independent 

Database needed to assess emissions from industries, power plants, road transport, domestic sources, and agricultural waste burning (Image: Pxfuel)
India needs to wake up to severe air pollution
With each new report, the number of polluted cities in India is increasing Amita Bhaduri posted 1 month 2 weeks ago

Two studies released on September 1, 2021, on the damage to human health due to increasing air pollution in India have revealed very worrying facts.

According to a Greenpeace India report released on January 21, 2020, 80 per cent of the country's cities are polluted by national standards (Image: Max Pixel, License CC0)
Study indicates no uranium in Kerala’s drinking water
MG University conducted the analyses of water sources across the state Amita Bhaduri posted 2 months 1 week ago

The serious health effects connected with the presence of uranium, a naturally occurring radioactive element in drinking water sources from different parts of the world and more recently in some parts of India (

Drinking water sources can be contaminated with uranium to an extent by certain anthropogenic activities (Image: Pxfuel)
Biodiversity - crucial for survival of freshwater ecosystems!
Detritivores, scavenger organisms inhabiting freshwater bodies such as streams are crucial for the survival of water bodies. However, anthropogenic changes are killing them! Aarti Kelkar Khambete posted 2 months 3 weeks ago

Rivers, lakes, ponds and streams – natural freshwater ecosystems are a precious resource because of the rich biodiversity they support and the valuable ecosystem services they provide.

View of a s stream in Kerala (Image Source: Firos AK via Wikimedia Commons)
Ganga, a sink of microplastics
A study by Toxics Link reveals that Ganga is heavily polluted by microplastics, the highest concentration being at Varanasi. Amita Bhaduri posted 3 months ago

A new study by the Delhi-based environment NGO Toxics Link reveals the presence of microplastics in all samples collected from the river at Haridwar, Kanpur and Varanasi.

Cleaning efforts on the Ganga has so far focussed on focussed on creating sewage treatment capacities in the major urban centres along the river. (Image: Richard IJzermans, Flickr Commons, CC BY-NC-SA 2.0)
East Kolkata Wetlands – fast turning death traps for aquatic ecosystems?
Freshwater ecosystems in India are known to harbour rich biodiversity, but their health is being increasingly challenged in recent years. And the East Kolkata Wetlands are no exception! Aarti Kelkar Khambete posted 4 months ago

While freshwater ecosystems in India are known to harbour rich biodiversity, their health is being increasingly challenged in recent years. And the East Kolkata Wetlands, one of the important Ramsar sites in India, and the largest wastewater fed aquaculture systems in the world that provide fish and support paddy and vegetable cultivation, are no exception.

Fishermen use wastewater from Kolkata to rear fish (Image Source: India Water Portal)
Toxic chemicals: A barrier to safe drinking water
Nonylphenol and its ethoxylates in drinking water: A health challenge Amita Bhaduri posted 4 months ago

A drinking water quality, testing, monitoring and surveillance framework was released by the Ministry of Jal Shakti in March 2021 as a part of the government’s flagship Nal se Jal scheme.

Water treatment facilities are incapable of removing many chemical compounds and need to be upgraded (Image: PxHere)
Delhi Govt gets stricter in tackling Yamuna river pollution
Policy matters this fortnight Swati Bansal posted 4 months ago

Yamuna pollution: Delhi Govt bans soaps and detergents not meeting latest BIS standards

Yamuna flows under (Image source: IWP Flickr photos)
Pollution levels rising post-lockdown in cities in south India
How clean air gains of the lockdown and monsoon periods have been now lost with the reopening of the economy and with the onset of the winter. Amita Bhaduri posted 8 months 2 weeks ago

An analysis was done by the Centre for Science and Environment (CSE) of winter pollution (until January 26, 2021) in India’s five southern states - a vulnerable but poorly monitored region from the air quality perspective.

Air quality management requires regional approach to implement clean air action plans, says CSE (Image: Pixy)
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