Research Papers

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Water footprint of food and cooking fuel
Rice and wheat have large water footprints in rural India Posted on 26 Mar, 2021 02:33 PM

Water is a basic resource for food and fuelwood production. In general, people in rural areas of India consume carbohydrate-rich staples with small amounts of animal foods. They mostly depend upon fuelwood for cooking.

Madhya Pradesh has the largest blue water footprint for food (334 m3/cap/year) and the blue water footprint from wheat contributes 87%. (Image: Pixabay)
The threatened traditional tank systems of Madurai
While traditional tanks systems in Madurai continue to fulfill the drinking water and irrigation needs of the rural population, rapid urbanisation is gradually destroying them! Posted on 16 Mar, 2021 11:47 AM

The tank cascade systems of Madurai

Arid and semi-arid regions of Southern-Indian peninsula are known to experience frequent droughts and the watersheds in these regions are characterised by hot climate, scanty water availability and erratic rainfall.

The dying tanks of Madurai (Image Source: Seetha Goplalakrishnan)
Study detects high levels of arsenic in cooked rice in Bihar
Need to remove arsenic from the food chain and not just drinking water in endemic areas Posted on 03 Mar, 2021 08:01 AM

Extensive evidence of elevated arsenic in the food chain, mainly rice, wheat and vegetables exists.

Median excess lifetime cancer risk of 2 per 10,000 from food arsenic exposure in Bihar. (Image: Wikimedia Commons)
Managing groundwater demand: the way forward
Substituting groundwater irrigation by canal irrigation will not help in maintaining the current levels of food production in India. Managing groundwater demand will, finds a study. Posted on 02 Mar, 2021 07:25 AM

Groundwater reserves are depleting at rapid rates in India, which is one of the world’s largest consumer of groundwater with it  providing 60 percent of the irrigation needs of the country.

Groundwater, a valuable resource! (Image Source: India Water Portal)
Baravas - Unique water harvesting structures of Maharashtra
Baravas, the unique water harvesting structures of Maharashtra continue to stand the test of time. Urgent efforts need to be made to conserve them and learn from them! Posted on 24 Feb, 2021 10:56 PM

Traditional groundwater storage structures such as cisterns, stepwells, tanks, and wells in India are well known and had cultural, religious, social, and utilitarian significance in olden times.

A barav from Limb village in Satara district, Maharashtra (Image Source: Aarti Kelkar Khambete)
Dams and distress in the Himalayas!
Hydropower projects and compensatory afforestation plantations are spelling doom for the fragile Himalayan forest ecosystems. Urgent action is the need of the hour! Posted on 23 Feb, 2021 10:10 PM

Proliferation of hydropower development in the Himalayas is leading to extensive land use changes in the river valleys and threatening the diverse and fragile Himalayan ecosystems leading to deforestation, fragmentation, soil erosion and loss of forest biodiversity. These are a cause for serious concern for local communities, whose lives and livelihoods depend on these forests.

100 MW Tidong-I project, Kinnaur HP (Image Source: Manu Moudgil)
Multi-purpose cyclone shelters in India
A study finds if multi-purpose cyclone shelters within the neighbourhood are considered safe for cyclone evacuation. Posted on 06 Feb, 2021 03:53 PM

An ‘Extremely Severe Cyclone Fani’ made landfall during morning hours on May 3, 2019, near Puri in Odisha. The landfall location was forecast accurately much in advance by India Meteorological Department. In anticipation of the strike, the state government carried out an extensive evacuation involving more than 1.5 million people.

The Panchayati Raj and Drinking Water Department  looks into the repairing of cyclone and flood shelters across Odisha (Image: Odisha TV)
Bengaluru lakes, in crisis!
Urban wetlands are increasingly under threat in cities such as Bengaluru! Community participation and better planning, management and monitoring of urban spaces is the need of the hour! Posted on 01 Feb, 2021 12:40 PM

What are wetlands

Wetland is a place where water covers the soil or is near the soil surface for varying periods of time during the year. Wetlands include a wide variety of habitats ranging from lakes, marshes, swamps, estuaries, tidal flats, river flood plains, mangroves and even rice fields.

Ulsoor lake, Bengaluru (Image Source: Subhashish Panigrahi via Wikimedia Commons)
Cereals drain India dry
A study on virtual water flows in interstate trade of cereals in India shows that cereals are rapidly draining the states that have the most critical levels of groundwater. Posted on 20 Jan, 2021 11:14 AM

Agricultural stagnation and inefficient irrigation systems

Agriculture continues to be an important sector for the Indian economy and for food security with more than half of the workforce being employed in agricultural activities. Greater use of improved crop varieties, irrigation and fertilisers have contributed to major improvements in crop yields in India.

Cereals and millets at a bazaar in Nizampet, Hyderabad (Image Source: Aditya Madhav, CC BY-SA 3.0, Wikimedia Commons)
Unsafe drinking water burdens urban poor
While urban poor in Delhi are forced to access water from informal sources, this water is highly contaminated posing multiple risks to health. Posted on 17 Jan, 2021 07:25 PM

Water in India continues to be extremely polluted and unsafe.

Safe drinking water, a valuable resource  (Image Source: IWP Flickr photos)
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